Chess Puzzle - Series 3039

Black to move. How should black proceed ?

Nakamura, Hikaru VS Aronian, Levon
( Fischer Random )

Source : chessdailynews.com

GM_Knockout said ;

1. ...Bxb3!!
2. axb3 Qa7!
3. Kc2 Rfc8+
4. Kd2 d3
5. R2e1 R8c2+!!
6. Kxd3 Qd+!
7. Kxc2 Ra2+
8. Kc1 Qb2#

OR

1. ...Bxb3!!
2. axb3 Qa7!
3. Kc2 Rfc8+
4. Kd2 d3
5. Qg1 dxe2!
6. Qxa7 exd1=Q+
7. Kxd1 R8xd7

- White resigned 0-1