You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4R,5R)-9-(cyclopropylmethyl)-2-[(4-fluorophenyl)methyl]-4-pyridin-3-yl-6-oxa-2,9-diazaspiro[4.5]decan-10-one into molecular formula.
user
C23H26FN3O2
assistant