Using CC(C)(CO)CBr, COc1ccc(-c2cccc3c2CCC3=O)c(OC)c1O to produce COc1ccc(-c2cccc3c2CCC3=O)c(OC)c1OCC(C)(C)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.