Using COC(=O)c1c(NC(=O)C(C)(C)C)ccc2c1N(C(C)=O)C[C@@H]1OCC[C@H]21 to produce COC(=O)c1c(N)ccc2c1N(C(C)=O)C[C@@H]1OCC[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.