code: def reach_process_pmc():
      
      if request.method == 'OPTIONS':
          return {}
      response = request.body.read().decode('utf-8')
      body = json.loads(response)
      pmcid = body.get('pmcid')
      rp = reach.process_pmc(pmcid)
      return _stmts_from_proc(rp)
docs: Process PubMedCentral article and return INDRA Statements.