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": ""}
 $+8 Cuba   ,^ C[ (Spreng.) CB. Clarke    FK 13435      Q!.[ Poales rhynchospora beteroi qD      contact um herbarium mO[    < j.a. shafer   f]cf BERTEROI       ;% cyperaceae RHYNCHOSPORA  7x~d 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora berteroi", "scientificNameAuthorship": "(Spreng.) C.B. Clarke", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "berteroi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.A. Shafer", "recordNumber": "13435", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}