I am getting NetworkError when attempting to fetch resource. while doing fetch request i don't know why i am getting this error.Input is NC[C@H]1CC[C@@H](CC1)C(O)=O .Here is the link to the code link

 let params = new URLSearchParams({
    solute: solutestate
  });

  const onSubmit = async (e) => {
    e.preventDefault();
    Promise.all([
      fetch(
        `https://fastapi-ihub-n7b7u.ondigitalocean.app/predict_two?${params}`,
        {
          method: "GET"
        }
      )
        .then((res) => res.json())
        .then((result) => setFetchData(result)),
      fetch(
        `https://fastapi-ihub-n7b7u.ondigitalocean.app/predict_solubility_json`,
        {
          method: "GET"
        }
      )
        .then((res2) => res2.json())
        .then((result2) => setjsonData(JSON.stringify(result2.result)))
    ]);
  };