Using COCC(NC(=O)OC(C)(C)C)c1cccc(CCNC(=O)OCc2ccccc2)c1 to produce COCC(NC(=O)OC(C)(C)C)c1cccc(CCN)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.