ERROR opening https://cactus.nci.nih.gov/chemical/structure/%5BB-%5D1%28N2C%3DCC%3DC2C%3DC3%5BN%2B%5D1%3DCC%3DC3%29%28F%29F/file?format=sdf&get3d=True -- %5BB-%5D1%28N2C%3DCC%3DC2C%3DC3%5BN%2B%5D1%3DCC%3DC3%29%28F%29F could not be loaded.