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": ""}
     Ak vahl RHYMCHOSPORA POLYPHYLLA H40     2100 ~7>21  CONTACT UM HERBARIUM 05Q   W. Thomas F   cgPvi POYALES 1979-07-27 S_       1137501 O      Cyperaceae PtS8    jamaica Z 
{"catalogNumber": "1137501", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora polyphylla", "scientificNameAuthorship": "Vahl", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Thomas", "recordNumber": "2100", "verbatimEventDate": "1979-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Jamaica", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}