Oh, NO! Poor Megan! She's just been bitten by a ZOMBIE! We can save her if we act fast, but the formula for the antidote has been scrambled somehow. Figure out how to unscramble the formula to save Megan from certain zombification. Enter the answer as
The formula for the antidote:
The challenge can be auto-solved simply by pasting the string into CyberChef. CyberChef is correctly identifying the encoding alphabet as Megan-35, and in hindsight, there was a pretty solid clue in the challenge description.
The accepted flag was, =