Using O=C([O-])[O-], COc1ccc(C2(C#N)CCc3nc[nH]c(=O)c3C2)c2c1oc1ccccc12 to produce COc1ccc(C2(C#N)CCc3ncn(C)c(=O)c3C2)c2c1oc1ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.