Using NNc1ccc(Br)cc1, CCOC(=O)C(=CN(C)C)C(=O)C1CC1 to produce CCOC(=O)c1cnn(-c2ccc(Br)cc2)c1C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.