Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
(L.) Keng S   4bPs bothriochloa   x42 2733    QINGDAO _u  Poaceae B         0 HERB WITH PINKISH FLOWERS. ALONG ROCKY SLOPE; TUFTED. c.y. chiao  ?^  SHANDONG H   1930-07-09 ?  ischaemum z   w<?Rb Bothriochloa i5chaemum 1703936  1  Wei Chu An. Lao Shan.      v  POALES  J CHINA
{"catalogNumber": "1703936", "order": "Poales", "family": "Poaceae", "scientificName": "Bothriochloa ischaemum", "scientificNameAuthorship": "(L.) Keng", "genus": "Bothriochloa", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C.Y. Chiao", "recordNumber": "2733", "verbatimEventDate": "1930-07-09", "habitat": "Herb with pinkish flowers. Along rocky slope; tufted.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Shandong", "county": "Qingdao", "municipality": "", "locality": "Wei Chu An. Lao Shan.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}