Using CC[C@H]1C[C@H]2C[C@H]3c4[nH]c5ccc(OC)cc5c4CCN(C2)[C@@H]13 to produce CC[C@@H]1CC2C[C@@H]3c4[nH]c5ccc(O)cc5c4CCN(C2)C13, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.