Using CC(C)(C)Cn1c(CBr)cc2cnc(C#N)nc21, O=C1NC(=O)c2c1cccc2-c1ccccc1 to produce CC(C)(C)Cn1c(CN2C(=O)c3ccccc3C2=O)cc2cnc(C#N)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.