Using COC(=O)c1ccc(OC2CCCC2)c2oc(C)cc12, O=C1CCC(=O)N1Br to produce COC(=O)c1ccc(OC2CCCC2)c2oc(CBr)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.