You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[2-cyclopentyl-1-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)ethenyl]-2-fluorobenzoate is the IUPAC name of a molecule. Please give its molecular formula.
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C22H20F2N2O2
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