You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(chloromethyl)-6-methoxy-1-[2-(1-methyl-1,2,4-triazol-3-yl)ethyl]benzimidazole by IUPAC nomenclature, provide its molecular formula.
user
C14H16ClN5O
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