Using CN1CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@@]3(O)[C@H]1C5 to produce O=C1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5c4[C@@]2(CCN3)[C@H]1O5, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.