Using CC(C)(C)OC(=O)N1CCC(CN2CCN(S(=O)(=O)c3ccc(-c4ccc(Cl)cc4)s3)CC2=O)CC1 to produce O=C1CN(S(=O)(=O)c2ccc(-c3ccc(Cl)cc3)s2)CCN1CC1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.