Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
To proceed, I need to clean shot3 first since it's not clean; this is a prerequisite for using it to fill with any ingredient as per the preconditions for fill-shot.

New State Description:
- Shot1: Contains cocktail2, not clean, not empty, on the table.- Shot2: Clean, empty, on the table.- Shot3: Clean, empty, held by left hand.- Shaker1: Empty, clean, unshaken, at fill level l1, on the table.- Dispenser1: Contains ingredient1 (red).- Dispenser2: Contains ingredient2 (blue).- Left hand: Holding clean shot3.- Right hand: Empty.- Cocktail1: Defined by mixing ingredient1 and ingredient2.- Cocktail2: Transferred to shot1.

Action Chosen:
clean-shot(shot3, ingredient2, left, right)
