ERROR opening https://cactus.nci.nih.gov/chemical/structure/COc1ccc%28CCN2CCC%28CC2%29Nc2nc3ccccc3n2Cc2ccc%28F%29cc2%29cc1/file?format=sdf&get3d=True -- COc1ccc%28CCN2CCC%28CC2%29Nc2nc3ccccc3n2Cc2ccc%28F%29cc2%29cc1 could not be loaded.