You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[2-benzyl-4-(3-cyclopentyloxy-4-methoxyphenyl)piperazin-1-yl]-2-pyrimidin-4-ylacetaldehyde is the IUPAC name of a molecule. Please give its molecular formula.
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C29H34N4O3
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