/code></td>
          <td>
                <code><span title="typing.List">List</span>[<span title="typing.List">List</span>[int]]</code>
          </td>
          <td><p>A list of label encoded and padded molecules, where each molecule is a list of
integers representing the SMILES tokens. The integers are the labels of the
tokens in the token2label dictionary. All molecules must be padded to the same
length.</p></td>
          <td>
              <em>required</em>
          </td>
        </tr>
        <tr>
