You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(2-amino-3-methoxypropyl)amino]-7-fluoro-4-(3-methylanilino)-1,2-dihydropyrrolo[3,4-c]pyridin-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H22FN5O2
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