ERROR opening https://cactus.nci.nih.gov/chemical/structure/CCC%28C%29C%28C%28%3DO%29NC%28CC1%3DCNC2%3DCC%3DCC%3DC21%29C%28%3DO%29O%29NC%28%3DO%29C%28C%28C%29C%29NC%28%3DO%29C%28CC%28%3DO%29O%29NC%28%3DO%29C%28CCC%28%3DO%29N%29NC%28%3DO%29C%28CC3%3DCN%3DCN3%29NC%28%3DO%29C4CSSCC%28C%28%3DO%29NC%28C%28%3DO%29NC5CSSCC%28C%28%3DO%29NC%28C%28%3DO%29NC%28C%28%3DO%29NC%28C%28%3DO%29N4%29CC6%3DCC%3DCC%3DC6%29CC7%3DCC%3DC%28C%3DC7%29O%29CC%28C%29C%29NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC5%3DO%29CCCCN%29CC%28%3DO%29O%29CCSC%29C%28C%29O%29CC%28%3DO%29O%29CCCCN%29CCC%28%3DO%29O%29CO%29N/file?format=sdf&get3d=True -- CCC%28C%29C%28C%28%3DO%29NC%28CC1%3DCNC2%3DCC%3DCC%3DC21%29C%28%3DO%29O%29NC%28%3DO%29C%28C%28C%29C%29NC%28%3DO%29C%28CC%28%3DO%29O%29NC%28%3DO%29C%28CCC%28%3DO%29N%29NC%28%3DO%29C%28CC3%3DCN%3DCN3%29NC%28%3DO%29C4CSSCC%28C%28%3DO%29NC%28C%28%3DO%29NC5CSSCC%28C%28%3DO%29NC%28C%28%3DO%29NC%28C%28%3DO%29NC%28C%28%3DO%29N4%29CC6%3DCC%3DCC%3DC6%29CC7%3DCC%3DC%28C%3DC7%29O%29CC%28C%29C%29NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC%28%3DO%29C%28NC5%3DO%29CCCCN%29CC%28%3DO%29O%29CCSC%29C%28C%29O%29CC%28%3DO%29O%29CCCCN%29CCC%28%3DO%29O%29CO%29N could not be loaded.