We experimented with MAP-Elites for introducing diversity to the FragGT population over two discretized search spaces: (i) Molecular Weight and cLogP (FragGTi) and (ii) FragGT species (Frag-GTic, see methods). In both cases, we found that introducing additional diversity into the population did not improve performance on the GuacaMol benchmark suite. We postulate that this may be because fragment-based mutation operators are already proficient at introducing sufficient diversity to the population.