Aronian -- Gelfand Critical Position

Kingscrusher suggested that finding Levon Aronian's move in this position makes for a nice tactical puzzle. This position is from Aronian -- Gelfand in the 2013 Candidates Tournament in London. In the second round, Aronian and Teimour Radjabov scored the first wins and moved into the early lead.

White to move

2rb4/pb3pkp/4p1p1/4N3/1P1P4/4B2P/1P3PP1/2R3K1 w - - 0 26