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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_small_molecule_name(self, hms_lincs_id):
 """Get the name of a small molecule from the LINCS sm metadata. Parameters hms_lincs_id : str The HMS LINCS ID of the small molecule. Returns ------- str The name of the small molecule. """

        entry = self._get_entry_by_id(self._sm_data, hms_lincs_id)
        if not entry:
            return None
        name = entry['Name']
        return name