Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
To progress towards the goal, we should free up car_1 from being not clear by moving car_3 to the empty curb_2.

New State Description:
Curb_0 has car_0 parked, clear. Curb_1 has car_2 parked, clear. Curb_2 now has car_3 parked, clear. Curb_3 has car_1 parked, clear.

Action Chosen:
(move-car-to-curb car_3 car_1 curb_2)
