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 5-amino-2-[4-(2-cyclopropyl-6,7-dimethoxyquinazolin-4-yl)piperazin-1-yl]phenol is given. What is its corresponding molecular formula?
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C23H27N5O3
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