Using O=C([O-])[O-], COc1cc2ncc3[nH]nc(-c4ccc(C#N)c(CO)c4)c3c2cc1OC to produce COc1cc2ncc3c(c(-c4ccc(C#N)c(CO)c4)nn3C)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.