You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(4-chloro-11-methyl-5-thia-7,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),3-trien-7-yl)-1-phenylethanol into its molecular formula.
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C18H19ClN2OS
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