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 2-[4-[4-[[6-[bis(4-chlorophenyl)methyl]quinazolin-4-yl]amino]piperidin-1-yl]phenyl]acetamide is given. What is its corresponding molecular formula?
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C34H31Cl2N5O
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