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 [[benzylsulfanyl-[(2-methylpropan-2-yl)oxycarbonyloxyamino]methylidene]amino] tert-butyl carbonate is given. What is its corresponding molecular formula?
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C18H26N2O6S
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