You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[4-(dimethylamino)phenyl]methyl]-2-(2-thiophen-2-yl-1,3-thiazol-4-yl)acetamide by IUPAC nomenclature, provide its molecular formula.
user
C18H19N3OS2
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