Using O=C1CCC(=O)N1Br, CCOC(=O)c1c(Cl)c(Cl)n(CCC(C)C)c1C to produce CCOC(=O)c1c(Cl)c(Cl)n(CCC(C)C)c1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.