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": ""}
   b[H albert s. hitchcock  (bertero ex spreng.) w.w. thomas `   1137593 b   W S4~ microcephala  p 1912-12-25  t William Wayt Thomas  SUBSP. wVz2v   kL h cyperaceae rhynchospora radicans subsp. microcephala $n  trinidad and tobago EMzG+    [>9 1 RHYNCHOSPORA poales j9/   L 10311  contact um herbarium - 5u       RADICANS c 
{"catalogNumber": "1137593", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora radicans subsp. microcephala", "scientificNameAuthorship": "(Bertero ex Spreng.) W.W. Thomas", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "radicans", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "microcephala", "identifiedBy": "William Wayt Thomas", "recordedBy": "Albert S. Hitchcock", "recordNumber": "10311", "verbatimEventDate": "1912-12-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Trinidad and Tobago", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}