Requires:

"canPrepareForNextRoom",
{"or": [
  "SpaceJump",
  "canWallJump"
]},
{"heatFrames": 80},
{"doorUnlockedAtNode": 1}

Unlocks doors:

{"types": ["super"], "requires": []},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}

Dev note: This would technically clear A, but depending on what is being done here, there will likely be too much acid to cross the room.