pan class="o">.</span><span class="n">extract</span><span class="p">(</span><span class="n">zip_file</span><span class="p">,</span> <span class="s2">"SAMPL.csv"</span><span class="p">)</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">load_csv</span><span class="p">(</span><span class="n">csv_file</span><span class="p">,</span> <span class="n">smiles_field</span><span class="o">=</span><span class="s2">"smiles"</span><span class="p">,</span> <span class="n">target_fields</s