Using O=C(Nc1cc(-c2ccco2)ccc1C(=O)O)c1cncc(-c2ccccc2)c1 to produce O=C(Nc1cc(-c2ccco2)ccc1C(=O)[O-])c1cncc(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.