You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-methoxy-3-[[1-[2-(4-methoxyphenyl)ethyl]-3-(2-methylpropyl)-2,4-dioxo-1,3,8-triazaspiro[4.5]decan-8-yl]sulfonyl]phenyl]acetaldehyde into molecular formula.
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C29H37N3O7S
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