You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methyl-N-(2-phenoxyethyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C16H20N4O2
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