ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BC%40%5D1%28%5BC%40%40H%5D%28%5BC%40H%5D%28O%5BC%40H%5D1n2ccc%28nc2%3DO%29N%29CO%29O%29F/file?format=sdf&get3d=True -- C%5BC%40%5D1%28%5BC%40%40H%5D%28%5BC%40H%5D%28O%5BC%40H%5D1n2ccc%28nc2%3DO%29N%29CO%29O%29F could not be loaded.