Using Cc1ccc(S(=O)(=O)Cl)cc1, CC(C)(C)OC(=O)N(Cc1cc(CCO)ccc1Cl)C1CC1 to produce Cc1ccc(S(=O)(=O)OCCc2ccc(Cl)c(CN(C(=O)OC(C)(C)C)C3CC3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.