ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%26%2391%3BC%40%40H%26%2393%3B%28%26%2391%3BC%40%40H%26%2393%3B%28c1ccccc1%29O%29NC/file?format=sdf&get3d=True -- C%26%2391%3BC%40%40H%26%2393%3B%28%26%2391%3BC%40%40H%26%2393%3B%28c1ccccc1%29O%29NC could not be loaded.