In Time Travel, is the antidote action taken in camp, and which die do you roll with one pawn?

Question

Accepted Answer

The antidote action is always taken in camp. With two pawns success is guaranteed; with one pawn you roll the brown die, since special scenario actions count as inventions.

Robinson Crusoe: Adventures on the Cursed Island

In Time Travel, is the antidote action taken in camp, and which die do you roll with one pawn?