You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-amino-N-[(2-chloro-6-fluorophenyl)methyl]-N-methyl-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-2-sulfonamide .
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C15H21ClFN3O2S
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