Using CC1=C[C@@H]2[C@H]3CO[C@H](c4ccccc4)N3C(=O)[C@@H]2C1 to produce CC1C[C@@H]2[C@H]3CO[C@H](c4ccccc4)N3C(=O)[C@@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.