Using CC(C)(O)c1cnn2c(Br)cnc2n1, CC1(C)COB(c2ccc(=O)n(-c3ncccc3C#N)c2)OC1 to produce CC(C)(O)c1cnn2c(-c3ccc(=O)n(-c4ncccc4C#N)c3)cnc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.