Using COC(=O)c1ccc(-c2c(C#N)ncn2CC(C)C)c(N)c1 to produce COC(=O)c1ccc2c(c1)nc(N)c1ncn(CC(C)C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.