Find the best move for white in this 2400+ game

Black has the treat Ra1. Find the best move for white.

(For those, who do not want to think: this move is in computer analysis.

And sure, the white saw the threat with his/her rating 2500+. The white thought for 14.7 seconds but did not find the right move).

Of course 35 Ra6, but this is a 3+0 blitz game.

> 3+0

Do you say that 15 seconds to think is not enough?

We all make mistakes, especially in blitz.
15 seconds is more than enough in a 3+0 game.

rating is just a representation of your level, no one always play their best chess.