Using Cn1cc(Br)cn1, CCOC(=O)CN=C(c1ccccc1)c1ccccc1 to produce CCOC(=O)C(N=C(c1ccccc1)c1ccccc1)c1cnn(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.