Using CCN(CC)CC, CC(C)(C)OC(=O)NC(Cc1ccc(Oc2ccc(C=O)cc2)cc1)C(=O)O to produce CN(C)C(=O)C(Cc1ccc(Oc2ccc(C=O)cc2)cc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.