WWC Chess Tactic

K. Lahno - Hou Yifan (Black just played 13...b6)
Women's World Championship (match 4 - game 1)

White to move. How should White proceed?

r1b2rk1/p3bppp/1pn1p3/q3P3/2B5/2P2N2/P2BQPPP/R4RK1 w - - 0 14