You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-[2-chloro-5-(trifluoromethyl)phenyl]-2-[4-(dimethylamino)pyridin-1-ium-1-yl]acetamide;chloride ?
user
C16H16Cl2F3N3O
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