Using CCN(CC)CC, COC(=O)C(Cc1ccc(OCc2ccccc2)cc1CO)NC(=O)OC(C)(C)C to produce CN1Cc2cc(OCc3ccccc3)ccc2CC(NC(=O)OC(C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.