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": ""}
  21090 Nicl  Najas guadalupensis vaqr. guadalupensis Lw   CHIAPAS / ?42   var. @%  DENNIS E. BREEDLOVE & R. THORNE Hy@eD     !Q]H GUADALUPENSIS Hydrocharitaceae Zp]   edges of small ponds with scattered trees and shrubs, acacia, bursera, gliricidia, anona and daphnopsis ;<iRX      :$ 16.7923   GUADALUPENSIS s[LQ-      
{"catalogNumber": "", "order": "", "family": "Hydrocharitaceae", "scientificName": "Najas guadalupensis var. guadalupensis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "guadalupensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "guadalupensis", "identifiedBy": "", "recordedBy": "Dennis E. Breedlove & R. Thorne", "recordNumber": "21090", "verbatimEventDate": "", "habitat": "Edges of small ponds with scattered trees and shrubs, Acacia, Bursera, gliricidia, Annona and Daphnopsis", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chiapas", "county": "", "municipality": "", "locality": "", "decimalLatitude": "16.7923", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}