Use a Super to knock off the top Viola in the lower half. Knock it off when it on the bottom just left of middle to have it fall all the way.

Requires:

{
  "ammo": {
    "type": "Super",
    "count": 1
  }
}
{
  "heatFrames": 2130
}

Exit condition:

{
  "leaveWithGModeSetup": {}
}

Unlocks doors:

{"types":["missiles","super"],"requires":[]}
{"types":["powerbomb"],"requires":[{"heatFrames":150}]}