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 3-(4-chloro-2,6-diethylphenyl)-8-methoxy-4-methoxycarbothioyloxy-1-azaspiro[4.5]dec-3-en-2-one ?
user
C22H28ClNO4S
assistant