Oh wow, thank you, that's pretty interrsting
Aspirin inhibits both pathways. Other NSAIDs do the same, although they typically have less of an effect on COX-1.
There is something on the unnoficial market which may inhibit only COX-2, a sort of holy grail in the last few decades of medicine: kratom[0].
Hopefully more research can be done into its constituent chemicals before it is banned in the US. The DEA already tried, and its illegal in several states.