Using COC(=O)c1ccc(-c2cc(N)ccc2C)cc1, O=C(O)c1ccoc1 to produce COC(=O)c1ccc(-c2cc(NC(=O)c3ccoc3)ccc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.