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=6 Ruiz & Pav. 819A 4_   $  robert l. peter     COMMELINALES tU$   -84.75 n;T  Pontederiaceae f.3b     ]R* 38.16667   RLF/ Heteranthera   ^( marshy pond  (P kentucky WOODFORD X9   f 1489739  p~g HETERANTHERA RENIFORMIS   f 12 miles from lexingtn on road to frankfort  [:I 1834-09  UNITED STATES  i =  
{"catalogNumber": "1489739", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera reniformis", "scientificNameAuthorship": "Ruiz & Pav.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Peter", "recordNumber": "819a", "verbatimEventDate": "1834-09", "habitat": "Marshy pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Woodford", "municipality": "", "locality": "12 miles from Lexington on road to Frankfort", "decimalLatitude": "38.16667", "decimalLongitude": "-84.75", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}