Using O=C1CCC(=O)N1Br, CC(C)(C)OC(=O)NCCC(O)c1ccc(Cl)cc1 to produce CC(C)(C)OC(=O)NCCC(Br)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.