You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[5,5-dimethyl-7-[2-methyl-3-[methyl(methylsulfonyl)amino]phenyl]-6,6-dioxothiopyrano[4,3-b]pyridin-8-yl] 2,2-dimethylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H30N2O6S2
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