Using CCCC1=C[C@@]2(OC)C(=CC1=O)O[C@H](c1ccc(OC)c(OC)c1)[C@@H]2C, CON to produce CCCC1=C[C@@]2(OC)C(=CC1=NOC)O[C@H](c1ccc(OC)c(OC)c1)[C@@H]2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.