Using CC(=O)O[C@H]1CC[C@@]2(C)[C@@H](CCC3=C4C(=O)C[C@H]([C@H](C)CCCO)[C@@]4(C)CC[C@@H]32)C1, CC(C)=O to produce CC(=O)O[C@H]1CC[C@@]2(C)[C@@H](CCC3=C4C(=O)C[C@H]([C@H](C)CCC(=O)O)[C@@]4(C)CC[C@@H]32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.