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-[(3R,4R)-4-(4-tert-butylphenyl)-3-methylpiperidine-1-carbonyl]-7-oxa-5-azaspiro[3.4]octan-6-one ?
user
C23H32N2O3
assistant