You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2-acetamidoethyl)-5-[2-[(4-methoxyphenoxy)methyl]-1,3-thiazol-4-yl]-2-methylpyrrole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C21H24N4O4S
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