You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2-amino-3-methylphenyl)-[2-[[(5-chloro-1,2-dihydropyrimidin-2-yl)amino]methyl]-3,3-difluoropyrrolidin-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
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C17H20ClF2N5O
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