def METHOD_NAME(self, question):
    question = question.replace("'s", " of ")
    results, smiles_string = self.nel.ner.find_cid(question)  # [2]
    # smiles_string = results[2]
    if smiles_string is None:
        smiles_string = results[2]
        if smiles_string == "species":
            return "species", [], []
    # print("from get mention without class", smiles_string)
    return smiles_string