Gain a shinecharge by running right-to-left at the bottom of the room. Move quickly to minimize damage from the acid, which will begin rising as soon as you reach the bottom of the room. Shinespark up the shaft.

Requires:

"Gravity"
"canSuitlessLavaDive"
{
  "canShineCharge": {
    "usedTiles": 17,
    "openEnd": 0
  }
}
{
  "acidFrames": 90
}
"canShinechargeMovementComplex"
"canMidairShinespark"
{
  "shinespark": {
    "frames": 76,
    "excessFrames": 6
  }
}