Using CCCCCOc1ccc(-c2cc(-c3ccc(C(=O)OC)cc3)no2)cc1 to produce CCCCCOc1ccc(-c2cc(-c3ccc(C(=O)[O-])cc3)no2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.