You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[(1S)-1'-[(3-methylimidazol-4-yl)methyl]spiro[1,2-dihydroindene-3,4'-piperidine]-1-yl]morpholine into molecular formula.
user
C22H30N4O
assistant