Using COc1ncccc1-c1cc(C#N)ccc1OCC12CC3CC(CC(C3)C1)C2, O=C([O-])[O-] to produce COc1ncccc1-c1cc(C(N)=O)ccc1OCC12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.