{
  "genres": {
    "citrus_cologne": {
      "required_tiers": ["top"],
      "min_top_mass": 0.35,
      "max_top_mass": 0.65,
      "min_heart_mass": 0.15,
      "min_base_mass": 0.05
    },
    "fougere": {
      "required_tiers": ["top", "heart"],
      "min_top_mass": 0.15,
      "max_top_mass": 0.35,
      "min_heart_mass": 0.35,
      "min_base_mass": 0.15
    },
    "floral_woody": {
      "required_tiers": ["heart", "base"],
      "min_top_mass": 0.10,
      "max_top_mass": 0.30,
      "min_heart_mass": 0.30,
      "min_base_mass": 0.20
    },
    "amber_oriental": {
      "required_tiers": ["base"],
      "min_top_mass": 0.05,
      "max_top_mass": 0.20,
      "min_heart_mass": 0.20,
      "min_base_mass": 0.40
    },
    "wildcard": {
      "uniform": true
    }
  },
  "solvent_cas": "64-17-5",
  "solvent_min": 0.50,
  "solvent_max": 0.90,
  "default_min_weight": 0.005,
  "default_max_weight": 0.25,
  "prohibited_cas": [
    "80-54-6",
    "83-66-9",
    "81-15-2",
    "89-68-9",
    "92-48-8",
    "143-50-0"
  ],
  "tier_cutoffs": {
    "top": { "max_mw": 160 },
    "base": { "min_mw": 210 }
  }
}