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": ""}
 HOWARD S. GENTRY c36   c 1965-04-07  agave (9R5+   Y 1001393  ^T~ (taylo ex trel.) h.s.gntry   nw1 ASPARAGALES  Asparagaceae J%    AB Agave angustifolia var. letonae  var. ;w   -Zl 20694 Honduras U v      Contact UM Herbarium   Y angustifolia   r letonae    
{"catalogNumber": "1001393", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Agave angustifolia var. letonae", "scientificNameAuthorship": "(Taylor ex Trel.) H.S.Gentry", "genus": "Agave", "subgenus": "", "specificEpithet": "angustifolia", "verbatimTaxonRank": "var.", "infraspecificEpithet": "letonae", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "20694", "verbatimEventDate": "1965-04-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Honduras", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}