In Dire Marsh, extract structural Bio-Chain using Chitin Samples from Tick Nests. Use the Bio-Chain to synthesize an updated SIMbiont, inject yourself and defeat a Runner.
In a single run:
Extract Bio-Chain from Chitin Sample in Bio-Research [1]
Synthesize SIMbiont in Quarantine and inject yourself [1]
With SIMbiont active, defeat a hostile Runner [1]