You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(2-chlorophenyl)methyl]-7-(trifluoromethyl)-3,4-dihydro-1H-isoquinoline-3-carboxylic acid;hydrochloride into its molecular formula.
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C18H16Cl2F3NO2
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