You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 7-[(3,4-dichlorophenyl)methyl]-3-pyrazin-2-yl-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine .
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C16H14Cl2N6
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