You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-O-tert-butyl 3-O-(chloromethyl) 1,4,6,7-tetrahydropyrazolo[4,3-c]pyridine-3,5-dicarboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H18ClN3O4
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