You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-chloro-6-[4-[(2-ethylsulfanyl-2-azaspiro[3.3]heptan-6-yl)methyl]-1H-pyrazol-5-yl]-1-methyl-3,4-dihydroquinolin-2-one .
user
C22H27ClN4OS
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