Land on the fourth platform from the top and build some speed to spacejump across straight to the door. The optimal platform can be hit by simpily holding right when entering the acid.

Requires:

{
  "notable": "Reverse Acid Dive"
}
{
  "obstaclesNotCleared": [
    "A"
  ]
}
"Gravity"
"SpaceJump"
{
  "heatFrames": 360
}
{
  "acidFrames": 360
}

Unlocks doors:

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