Using CCOC(=O)c1oc2cccc(C(N)=O)c2c1C, CCOC(=O)c1oc2cccc(C(=O)NC)c2c1C to produce CCOC(=O)c1oc2cccc(C(=O)N(C)C)c2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.