The only reason to include an `ISLANDORACM` datastream in 7 is we are trying to preserve cases where Islandora 6 and Islandora 7 may co-exist. If this is the case `ISLANDORACM` should be identical to the XML found [here](https://github.com/roblib/islandora_solution_pack_chemistry/blob/master/xml/CHEMCM.xml).