Using C[C@]12C[C@H](c3ccc(CCCN4CCCC4)cc3)[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CCC2=O to produce C[C@]12C[C@H](c3ccc(CCCN4CCCC4)cc3)[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC[C@@H]2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.