Using CCOC(=O)/C=C/c1ccc(C(=C2CC(C)(C)CC(C)(C)C2)c2ccc(O)c(Cl)c2)cc1 to produce CC1(C)CC(=C(c2ccc(/C=C/C(=O)O)cc2)c2ccc(O)c(Cl)c2)CC(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.