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 2-[1-[4-(2-chlorophenoxy)phenyl]sulfonylazetidin-3-yl]-3a,4,7,7a-tetrahydroisoindole-1,3-dione .
user
C23H21ClN2O5S
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