You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [[7-(6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-7-ylmethyl)-5-methyl-4-oxo-2,3-dihydro-1,5-benzoxazepin-3-yl]amino]thallium into molecular formula.
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C16H19N6O2Tl
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