You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[[4-propyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazol-5-yl]methyl]pyrrolo[2,3-b]pyridin-5-ol .
user
C21H18F3N3OS
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