Using CC(C)(C)OC(=O)NC(C)(C)C(=O)O, O=c1oc(CBr)c(CBr)o1 to produce CC(C)(C)OC(=O)NC(C)(C)C(=O)OCc1oc(=O)oc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.