Using NCC(=O)O, CCOC(=O)c1nc(C#N)c2c(c1O)c(Cl)c(Cl)n2CCC(C)C to produce CC(C)CCn1c(Cl)c(Cl)c2c(O)c(C(=O)NCC(=O)O)nc(C#N)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.