Sentence 1: Promegestone is only weakly bound to albumin ; it does not bind to sex hormone-binding globulin , and binds mainly to transcortin .
Sentence 2: Promegestone is mainly bound to albumin , it does not bind to gender-hormone-binding globulin and only weakly binds to Transcortin .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?