Using CCOc1cccc(-c2cc(OC)nc3ccc(C(O)(c4cccnc4)c4cccnc4)cc23)c1 to produce CCOc1cccc(-c2cc(=O)[nH]c3ccc(C(O)(c4cccnc4)c4cccnc4)cc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.