Using CCOC(=O)C1=C(C)NC(C=CN(C)C)=C(C(=O)OCC)C1c1cccc(Cl)c1 to produce CCOC(=O)C1=C(C)Nc2cc[nH]c(=O)c2C1c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.