You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[(5,6-difluoro-1H-indol-3-yl)amino]-4-[[4-(trifluoromethyl)cyclohexa-1,3-dien-1-yl]amino]cyclobut-3-ene-1,2-dione by IUPAC nomenclature, provide its molecular formula.
user
C19H12F5N3O2
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