Using C[O-], C=CCN(C(=O)C(C)(C)C)c1nc(Cl)ccc1Br to produce C=CCN(C(=O)C(C)(C)C)c1nc(OC)ccc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.