You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-methoxypropyl)-1,2-dimethyl-5-(4-phenyl-1,3-thiazol-2-yl)pyrrole-3-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H23N3O3S2
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