You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[5-[(1S,2R)-2-methylcyclopropyl]furan-2-yl]methyl]-1-[(2R,3S)-2-(2-methylpyrazol-3-yl)oxolan-3-yl]methanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H25N3O2
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