In order to further validate the distance scoring model and form assessment criteria, expert chemists performed a systematic analysis of the route quality suggested according to the model's score predictions. The following heuristics of the analysis have been proposed in Table ). "Good" routes are feasible with no fully feasible with no modifications needed. "Plausible" routes require minor adjustments like changing protection groups, removing unnecessary steps, or modifying reactive functional groups. It is worth noting that all proposed modifications were found in the literature where they were successfully applied in identical or closely similar chemical transformations. "Bad" routes either lack commercially available starting materials or contain unfeasible key steps without literature precedence for the specific functional group transformations. Based on expert analysis, we developed an augmented scoring system that integrates predicted distances with critical factors identified by domain experts during the analysis. These augmented scores were then mapped to interpretable assessment criteria, providing clear qualitative evaluations of the route.