You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,3-dimethylcyclohexyl)-2-[(1,3-dimethyl-2,4-dioxoquinazolin-6-yl)sulfonyl-methylamino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C21H30N4O5S
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