You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-methoxy-4-[[[3-phenyl-7-(trifluoromethyl)-1H-indole-2-carbonyl]hydrazinylidene]methyl]phenyl] benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H22F3N3O4
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