{
  "tiers_by_split": {
    "train": {
      "medium": 190,
      "easy": 344,
      "hard": 66
    },
    "dev": {
      "easy": 55,
      "medium": 24,
      "hard": 21
    },
    "eval": {
      "hard": 23,
      "easy": 83,
      "medium": 44
    },
    "stress": {
      "easy": 89,
      "hard": 27,
      "medium": 34
    }
  },
  "first_step_families": [
    [
      "alkylation / SNAr",
      332
    ],
    [
      "one-reactant FGI",
      244
    ],
    [
      "other",
      160
    ],
    [
      "amide/ester coupling",
      125
    ],
    [
      "reductive amination",
      63
    ],
    [
      "Suzuki-type coupling",
      46
    ],
    [
      "sulfonylation",
      29
    ],
    [
      "Boc deprotection",
      20
    ],
    [
      "urea / carbamate",
      13
    ],
    [
      "Boc protection",
      8
    ]
  ],
  "points_rate": {
    "three_steps": 0.454,
    "no_close_train_target": 0.499,
    "uncommon_first_step": 0.224,
    "rare_leaf": 0.188
  }
}