Using c1ccc2c(c1)NCCN=C2c1cnc2ccccc2c1, CC(C)I to produce CC(C)N1CCN=C(c2cnc3ccccc3c2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.