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": ""}
 100 ,@      nicragua  n*?          1971-03-17 $M-     n^Y (POIR.) URB.  B$^mA RETROFLEXA  F]6  HENRY K. SVENSON  79 Eleocharis retroflexa  Ul ; ABUNDANT MATS IJN MARSHES  Limbaikan: Marshes near Rio Prinzapolea n  Eleocharis B A*  PRINZAPOLKA Cor 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Eleocharis retroflexa", "scientificNameAuthorship": "(Poir.) Urb.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "retroflexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Henry K. Svenson", "recordNumber": "", "verbatimEventDate": "1971-03-17", "habitat": "Abundant mats in marshes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Nicaragua", "stateProvince": "", "county": "Prinzapolka", "municipality": "", "locality": "Limbaikan: Marshes near Rio Prinzapolea", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": "100"}