You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[8-(2-methoxyethyl)-1-thia-3,8-diazaspiro[4.5]dec-2-en-2-yl]-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide into its molecular formula.
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C23H28N4O3S3
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