Using COc1ccc2c(c1)[C@]13CCN(CC4CCCO4)[C@H](C2)[C@]1(OC)CCC(=O)C3 to produce CO[C@@]12CCC(=O)C[C@@]13CCN(CC1CCCO1)[C@@H]2Cc1ccc(O)cc13, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.