Using CCOC(=O)/C=C/c1ccc(N(C(=O)OC(C)(C)C)[C@@H]2CCN(C3CC(C)(C)NC(C)(C)C3)C2)nc1, NO to produce CC1(C)CC(N2CC[C@@H](N(C(=O)OC(C)(C)C)c3ccc(/C=C/C(=O)NO)cn3)C2)CC(C)(C)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.