You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-chloro-6-oxo-N-[(2R)-1,2,3,4-tetrahydronaphthalen-2-yl]-1H-pyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C16H15ClN2O2
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