You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-(7-chloro-4,4-dimethyl-2-sulfanylidene-1H-3,1-benzoxazin-6-yl)-2-methoxybenzonitrile is given. What is its corresponding molecular formula?
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C18H15ClN2O2S
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