Dassault Systèmes interview question

Technical Round - 1: OOPs concepts, SOLID principles, DSA basic question (array) Technical Round-2: Project-related, DSA questions regarding the linked list and shortest path in the graph and some SQL questions. Brand Head- Everything was going fine but he is concerned with why are you leaving your previous org and was not satisfied with my response even though I feel I said what was accurate. HR Round- Just basic HR questions.