Using CC(C)(C)OC(=O)N1CCC(NN2CCN(S(=O)(=O)c3ccc4cc(Cl)ccc4c3)CC2=O)CC1 to produce O=C1CN(S(=O)(=O)c2ccc3cc(Cl)ccc3c2)CCN1NC1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.