ERROR opening https://cactus.nci.nih.gov/chemical/structure/c2ccccc2Cn%28cc1C%28%3DO%29C%28O%29%3DO%29c4c1cc%28cc4%29-c%28cc3%29ccc3OC%28F%29%28F%29F/file?format=sdf&get3d=True  -- c2ccccc2Cn%28cc1C%28%3DO%29C%28O%29%3DO%29c4c1cc%28cc4%29-c%28cc3%29ccc3OC%28F%29%28F%29F could not be loaded.