Using COC(=O)c1c(N)cc(Cl)cc1Cl, COC(=O)C#CC(=O)OC to produce COC(=O)c1nc2cc(Cl)cc(Cl)c2c(O)c1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.