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 4-[[6-bromo-2-[2-[(2-chlorophenyl)methylamino]-2-oxoethyl]sulfanyl-4-oxoquinazolin-3-yl]methyl]-N-(2-methoxyethyl)benzamide is given. What is its corresponding molecular formula?
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C28H26BrClN4O4S
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