\documentclass{standalone}

\usepackage{graphicx,bm,microtype,hyperref,algpseudocode,subfigure,algorithm,algorithmicx,multirow,footnote,xcolor,physics,lipsum,wasysym,physics}


\usepackage{tikz}
\usetikzlibrary{arrows,positioning,shapes.geometric}
\usetikzlibrary{decorations.pathmorphing}
\newcommand{\red}[1]{\textcolor{red}{#1}}

\tikzset{snake it/.style={
decoration={snake, 
    amplitude = .4mm,
    segment length = 2mm},decorate}
}

%\usepackage{tgchorus}
%\usepackage[T1]{fontenc}

\begin{document}

\begin{tikzpicture}
	\begin{scope}[very thick,
		node distance=2cm,on grid,>=stealth',
		QUEST0/.style={circle,draw,fill=orange!45},
		QUEST1/.style={rectangle,draw,fill=red!45},
		QUEST2/.style={rectangle,draw,fill=magenta!45},
		QUEST3/.style={rectangle,draw,fill=black!45},
		QUEST4/.style={rectangle,draw,fill=green!45},
		QUEST5/.style={rectangle,draw,fill=blue!45}]
		\node [QUEST0, align=center]		(Q)		at (4*0, 		 4*0)			{QUEST \\ \tiny 470 highly-accurate \\ \tiny excitations };
		\node [QUEST1, align=center]		(Q1)	at (4*0.587785,  4*0.809017)	{QUEST\#1 \\ \tiny small-sized molecules \\ \tiny \bf \red{JCTC 14 (2018) 4360}};
		\node [QUEST2, align=center] 		(Q2)	at (4*0.951057, -4*0.309017)	{QUEST\#2 \\ \tiny double excitations \\ \tiny \bf \red{JCTC 15 (2019) 1939}};
		\node [QUEST3, align=center]		(Q3)	at (4*0, 		-4*1.00000)		{QUEST\#3 \\ \tiny medium-sized molecules \\ \tiny \bf \red{JCTC 16 (2020) 1711} };
		\node [QUEST4, align=center]		(Q4)	at (-4*0.951057,-4*0.309017)	{QUEST\#4 \\ \tiny exotic molecules \& radicals \\ \tiny \bf \red{JCTC 16 (2020) 3720}};
		\node [QUEST5, align=center] 		(Q5)	at (-4*0.587785, 4*0.809017)	{QUEST\#5 \\ \tiny larger molecules \\ \tiny \bf \red{This study}};
		\path 
		(Q1) 			edge [->,color=black] 			node [above,sloped,black] {}	(Q)
		(Q2) 			edge [->,color=black] 			node [above,sloped,black] {}	(Q)
		(Q3) 			edge [->,color=black] 			node [above,sloped,black] {}	(Q)
		(Q4) 			edge [->,color=black] 			node [above,sloped,black] {}	(Q)
		(Q5) 			edge [->,color=black] 			node [above,sloped,black] {}	(Q)
		;
	\end{scope}
\end{tikzpicture}

\end{document}