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 (3E,5E)-8-[[2-(benzimidazol-1-yl)-9-ethylpurin-6-yl]amino]-6-methylocta-1,3,5-trien-3-ol is given. What is its corresponding molecular formula?
user
C23H25N7O
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