Using Cc1c(Br)cnc2c1nc(C1CC1)n2Cc1ccc(-c2ccccc2C#N)cc1 to produce Cc1ccnc2c1nc(C1CC1)n2Cc1ccc(-c2ccccc2C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.