You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(4-chlorophenyl)-2-[[8-methyl-2-(4-methylphenyl)-1,4-diazaspiro[4.5]deca-1,3-dien-3-yl]sulfanyl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C24H26ClN3OS
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