You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[(5S)-7-(cyclopropylmethyl)-6-oxo-2,7-diazaspiro[4.5]decan-2-yl]-6-methylpyridine-3-carbonitrile ?
user
C19H24N4O
assistant