You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[3-[(7-chloro-3,4-dihydro-1H-isoquinolin-2-yl)methyl]phenyl]-2-(4-isocyanophenyl)ethanone;hydrochloride into molecular formula.
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C25H22Cl2N2O
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