You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(4-methoxyphenyl)-(1-methylimidazol-2-yl)methyl]-2-[(4-methylcyclohexyl)sulfamoyl]acetamide is given. What is its corresponding molecular formula?
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C21H30N4O4S
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