You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(6S)-6-(4-chlorophenyl)-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-yl]-[4-(2-chlorophenyl)piperazin-1-yl]methanone .
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C23H22Cl2N4O2
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