You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(2R)-1-(3-chlorophenyl)propan-2-yl]-1-(6-chloropyridazin-3-yl)piperidine-4-carboxamide into its molecular formula.
user
C19H22Cl2N4O
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