Using COC(=O)c1cc(Oc2ccc(N)cc2)cc(C(=O)OC)c1, O=N[O-] to produce COC(=O)c1cc(Oc2ccc(O)cc2)cc(C(=O)OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.