Using CC(C)CCC[C@@H](C)C1=CC[C@H]2[C@@H]3CC=C4C(C)(C)[C@@H](OC(=O)c5ccccc5)CC[C@]4(C)[C@H]3CC[C@]12C, O=C(OO)c1cccc(Cl)c1 to produce CC(C)CCC[C@@H](C)[C@H]1[C@@H]2OC2[C@H]2[C@@H]3CC=C4C(C)(C)[C@@H](OC(=O)c5ccccc5)CC[C@]4(C)[C@H]3CC[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.