Positional Exchange Sacrifice

Chess GrandMaster Jacob Aagaard wrote an excellent instructive book which emphasized the theme of positional exchange sacrifice. I would like to think that Mr Aagaard hailing from Scotland would find the following diagrammed position a very illustrative example of offering a positional exchange sacrifice.

 The game was played at the internet chess club under a 3 minute blitz time control. LucianoPavez playing out of Australia was handling the Black pieces defending against the Catalan Opening. His b7 Bishop was looking worse than the infamous bad French Defense Bishop.



The squares c5 and d6 are potential strong points for White pieces provided the e7 Bishop guardian could be removed. Moreover, Black's Rooks at c8 and c7 are clumsily and ineffectively placed in a game where  no open files are imminent.

How does White exploit the passivity of Black's play obtaining an iron grip on the dark squares including complete hegemony on the d6 square?

I believe that Jeremy Silman would cream "fantasizing" about this one in the never ending tug of war between position and material!