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 4-[2-oxo-2-[2-phenyl-5-[(pyridin-3-ylamino)methyl]-2,7-diazaspiro[3.4]octan-7-yl]ethyl]benzonitrile .
user
C27H27N5O
assistant