Using O=C(O)c1ccc(S(=O)(=O)Cl)cc1, c1cc2c(o1)CCNC2 to produce O=C(O)c1ccc(S(=O)(=O)N2CCc3occc3C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.