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 4-[1-[(3,4-dichlorophenyl)methyl]-2-ethylpiperazin-2-yl]-N,N-diethylaniline is given. What is its corresponding molecular formula?
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C23H31Cl2N3
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