Using O=C(O)c1ccc(CNc2ccc(N3CCOCC3)cc2)cc1, Nc1ccccc1N to produce Nc1ccccc1NC(=O)c1ccc(CNc2ccc(N3CCOCC3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.