Using CCOC(=O)Cl, CC(C)(C)OC(=O)NC1CCC(NC(=O)c2cc(O)cc(Oc3ccc(CN)cc3)c2)CC1 to produce CCOC(=O)NCc1ccc(Oc2cc(O)cc(C(=O)NC3CCC(NC(=O)OC(C)(C)C)CC3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.