You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[5-chloro-2-methyl-3-[[(3S)-3-methyl-4-[(2S)-oxolane-2-carbonyl]piperazin-1-yl]methyl]phenyl]-1-(3-chlorophenyl)ethanone into its molecular formula.
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C26H30Cl2N2O3
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