You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-(3-chlorophenyl)piperazin-1-yl]-[5-(methoxymethyl)-1,2-oxazol-3-yl]methanone;hydrochloride into its molecular formula.
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C16H19Cl2N3O3
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