You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4-chlorophenyl)-[5-[[2-[(2,3-diphenylquinoxalin-6-yl)methyl]indolo[2,3-b]quinoxalin-6-yl]methyl]-3-(4-methoxyphenyl)-3,4-dihydropyrazol-2-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H38ClN7O2
assistant