You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4-methyl-5-piperidin-4-yl-1,2,4-triazol-3-yl)methanol;hydrate;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C9H20Cl2N4O2
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