Using COC(=O)c1cc(OC(C)=O)c(C)nc1C(=O)NC(C)(C(N)=O)C(C)C to produce COC(=O)c1cc(O)c(C)nc1C1=NC(C)(C(C)C)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.