In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

 The RsmA - mutant , like its parent , produces N - ( 3 - oxohexanoyl ) - L - homoserine lactone ( HSL ) , a starvation / cell density - sensing signal required for extracellular enzyme production .

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
RsmA - mutant