You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-(2-hydroxy-2-pyridin-3-ylethyl)-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-3-one;dihydrochloride .
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C16H18Cl2N4O2S
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