You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6-chloro-5-methoxypyridin-2-yl)-(2-methyl-3-pyrrolidin-1-ylpyrrolidin-1-yl)methanone into its molecular formula.
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C16H22ClN3O2
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