You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-methoxy-6-[1-[(3S)-3-[(5-methoxypyridin-3-yl)methyl]pyrrolidin-1-yl]ethyl]pyridine into molecular formula.
user
C19H25N3O2
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