You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(1R,2S)-2-(3-hydroxypyrrolidin-1-yl)cyclopentyl]-5-(2-methoxyethoxy)pyridine-3-carboxamide into molecular formula.
user
C18H27N3O4
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