Conventional wisdom says to play urgent points before big points and make a base for the black stones at the top at b.
Leela Zero is less decisive and finds playing in the top left or the lower left corner equally valuable, if not more.
LZ's top choice, by marginal percentages, is to enclose at . White pincers the two stones and - indicates the lower right is urgent.
Almost equivalent is approaching the top corner, upon which White moves into the bottom. It seems like this board position calls for mutual damage