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": ""}
      [N?gT pond 2 m e of lexington    91  wx   G ` Kentucky (ENGELM.) LANDOLT & WILDI EX GANDHI, WIERSEMA & BROUILLET H i  Alismatales f  f. t. mcfarland WEv r  Wolffia borealis Eh         d 6Wn borealis    u 1663066 araceaeI 1)#n  
{"catalogNumber": "1663066", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia borealis", "scientificNameAuthorship": "(Engelm.) Landolt & Wildi ex Gandhi, Wiersema & Brouillet", "genus": "", "subgenus": "", "specificEpithet": "borealis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. T. McFarland", "recordNumber": "91", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Kentucky", "county": "", "municipality": "", "locality": "Pond 2 m E of Lexington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}