You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 8-[(3S)-3-amino-3-phenylpropyl]-2-[(4-methoxyphenyl)methyl]-2,8-diazaspiro[4.5]decan-3-one .
user
C25H33N3O2
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