Using COc1ccccc1Br, COc1ccc2c(c1)C1CC(C)(C)CCC1CC2=O to produce COc1ccc(C2C(=O)c3ccc(OC)cc3C3CC(C)(C)CCC32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.