You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-hydroxy-5-methyl-1,4-bis[5-(3,4,5-trifluorophenyl)thiophen-2-yl]pyrrolo[3,4-c]pyrrol-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H12F6N2O2S2
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