Using Cn1nnc(-c2ccc(Br)cc2)c1C(=O)O, BrCc1ccccc1 to produce Cn1nnc(-c2ccc(Br)cc2)c1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.