Using CCOc1c(Br)cc2c(c1Cl)C(C)(C)CCC2, CC(C)(C)OO to produce CCOc1c(Br)cc2c(c1Cl)C(C)(C)CCC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.