Using CCCn1nc2c(N)nc3ccccc3c2c1CC(C)(C)C#N, CCO to produce CCCn1nc2c(N)nc3ccccc3c2c1CC(C)(C)C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.