Using COc1ccc(Br)cc1, COc1cc2c(cc1OC)C(=O)C(C)(C)C2 to produce COc1ccc(C2(O)c3cc(OC)c(OC)cc3CC2(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.