She remembered. He was teasing her about packing her Ministry robes just in case she needed them again. After she threw them at his head, he must've discovered the parchment inside the pocket. In all of the excitement of the Dark Lord's murder and then her episode at his funeral that ensured she would never be safe to go back to the Ministry, she'd forgotten about her list tucked away in the pocket. Antonin, however, wasn't likely to forget it for as long as they both lived.