Using N#CN, COC(=O)CCc1ccc(-c2nc(-c3cccc(N)c3)c[nH]2)cc1 to produce COC(=O)CCc1ccc(-c2nc(-c3cccc(NC(=N)N)c3)c[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.