You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-2-[(4-propan-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide ?
user
C18H21N5O3S2
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