Using CCNc1nn(C(=O)OC(C)(C)C)c2ccc(C3C(C#N)=C(C)NC(C)=C3C#N)cc12 to produce CCNc1n[nH]c2ccc(C3C(C#N)=C(C)NC(C)=C3C#N)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.