Run into the room, and just before Samus would run into the water, fire a Plasma shot and make a big jump across the room. The shot should clear the enemies and open the door. Activate the shinespark mid-air.

Entrance condition:

{
  "comeInShinecharged": {
    "framesRequired": 70
  }
}

Requires:

"Plasma"
"canShinechargeMovementComplex"
{
  "shinespark": {
    "frames": 24
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

{
  "types": [
    "super"
  ],
  "requires": [],
  "devNote": "FIXME: Using a Super seems very awkward but possible; add a higher-level tech requirement here."
}
{"types":["missiles","powerbomb"],"requires":["never"]}