You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-cyclopropylsulfanyl-4-oxo-1-[4-(trifluoromethoxy)phenyl]cinnoline-3-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C19H13F3N2O4S
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