You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3aR,7aS)-5-[(E)-3-(2-methoxyphenyl)prop-2-enyl]-1-methyl-3,3a,4,6,7,7a-hexahydroimidazo[4,5-c]pyridin-2-one by IUPAC nomenclature, provide its molecular formula.
user
C17H23N3O2
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