Following is the structure of the restaurant collection:

{
  "address": {
     "building": "1007",
     "coord": [ 144.946457, -37.840935 ],
     "street": "Monash University Bakery",
     "zipcode": "3800"
  },
  "suburb": "Clayton",
  "cuisine": "Bakery",
  "grades": [
     { "date": { "$date": 1393804800000 }, "grade": "A", "score": 2 },
     { "date": { "$date": 1378857600000 }, "grade": "A", "score": 6 },
     { "date": { "$date": 1358985600000 }, "grade": "A", "score": 10 },
     { "date": { "$date": 1322006400000 }, "grade": "A", "score": 9 },
     { "date": { "$date": 1299715200000 }, "grade": "B", "score": 14 }
  ],
  "name": "Monash Bakery Shop",
  "restaurant_id": "317455"
}
Write a MongoDB query to find the restaurants that do not prepare the cuisine 'Curry' and their grade score is more than 70