code: def retrieve_datasets():
      os.system(
          "wget -c %s"
          % "https://s3-us-west-1.amazonaws.com/deep-crystal-california/az_logd.csv"
      )
      os.system(
          "wget -c %s"
          % "https://s3-us-west-1.amazonaws.com/deep-crystal-california/az_hppb.csv"
      )
      os.system(
          "wget -c %s"
          % "https://s3-us-west-1.amazonaws.com/deep-crystal-california/az_clearance.csv"
      )
  
file_path: deepchem/examples/adme/run_benchmarks.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import unicode_literals
  import os
  import numpy
  from sklearn.ensemble import RandomForestRegressor
  from sklearn import svm
  import tensorflow
  import deepchem
  from deepchem.models.graph_models import GraphConvModel
label_desc: Use image node_id 1 for calling a global function with example usage: retrieve_datasets() without return types