Using CC(C)(C)OO, COc1c(C(C)OC(C)=O)cc2c(c1Br)C(C)(C)CCC2 to produce COc1c(C(C)OC(C)=O)cc2c(c1Br)C(C)(C)CCC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.