Using CCOC(=O)c1ccccc1-c1ccc(C)cn1, O=C1CCC(=O)N1Br to produce CCOC(=O)c1ccccc1-c1ccc(CBr)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.