You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 6-[2-(6-aminopyridin-2-yl)ethyl]-1-[(4-hydroxyphenyl)methyl]-3-[(4-methoxyphenyl)methyl]-2-methylidenepyrimidin-4-one into molecular formula.
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C27H28N4O3
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