User blog comment:Fliu/Chapter 943: The Reunion I've Been Waiting For!/@comment-7606564-20190524134751/@comment-2600:1702:3C50:A6E0:11B2:14AC:5267:881-20190524221648

That would make sense. As for SAD all we know is that it is used to make Smiles. We don't know the exact process of how Caesar creates it or what is involved in its creation.