You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-chloro-5-fluoro-7-[5-(piperidin-1-ylmethyl)-1H-indol-2-yl]-2,3-dihydroisoindol-1-one;hydrochloride into its molecular formula.
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C22H22Cl2FN3O
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