ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1CN%28C%29CCC1OC%28%3DO%29C%28O%29%28C3CCCC3%29c2ccccc2/file?format=sdf&get3d=True -- C1CN%28C%29CCC1OC%28%3DO%29C%28O%29%28C3CCCC3%29c2ccccc2 could not be loaded.