Using COC(=O)C(COc1ccc(CCCCNC(=O)OCc2ccccc2)cc1)NC(=O)OC(C)(C)C to produce COC(=O)C(COc1ccc(CCCCN)cc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.