You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[6-(3,4-dihydroxy-5-methylphenyl)-1,2,4,5-tetrazin-3-yl]-3-methylbenzene-1,2-diol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H14N4O4
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