You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-hydroxy-2-(3-hydroxyphenyl)-1-[2-(1H-indol-3-yl)ethyl]-3-(4-methyl-2-phenyl-1,3-thiazole-5-carbonyl)-2H-pyrrol-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H25N3O4S
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