Using CO[C@@]12CC[C@@]3(C[C@@H]1[C@](C)(O)C(C)(C)C)[C@H]1Cc4ccc(O)c5c4[C@@]3(CCN1CC1CC1)[C@H]2O5, C1CCOC1 to produce CC(C)(C)[C@@](C)(O)[C@H]1C[C@@H]2[C@H]3Cc4c5c(c(O)c6c4[C@@]2(CCN3CC2CC2)[C@@H](O6)[C@H]1O)CC5, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.