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 (5S)-7-[(1-methylimidazol-2-yl)methyl]-2-(5-methylthiophen-2-yl)-2,7-diazaspiro[4.4]nonan-3-one ?
user
C17H22N4OS
assistant