You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-[[2-[[(3R,5S)-3,5-dimethylpiperidin-1-yl]methyl]phenyl]methylamino]-1-oxopropan-2-yl]furan-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H31N3O3
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