You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[[2-[N-(benzenesulfonyl)-2,4-dimethylanilino]acetyl]-[(2-fluorophenyl)methyl]amino]-N-butylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H36FN3O4S
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