Using CSc1sc(C(=O)O)c2c1C(=O)CC(C)(C)C2, CC(N)=NO to produce CSc1sc(-c2nc(C)no2)c2c1C(=O)CC(C)(C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.