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 e.u. clover   :_m 1947-01-22     guatemala ^XEg     Trel. ~   agave pachycentra eJ f   K Contact UM Herbarium    99!>p ASPARAGACEAE HOWARD S. GENTRY k      1051231 EMs     BPN Agave 
{"catalogNumber": "1051231", "order": "", "family": "Asparagaceae", "scientificName": "Agave pachycentra", "scientificNameAuthorship": "Trel.", "genus": "Agave", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Howard S. Gentry", "recordedBy": "E.U. Clover", "recordNumber": "", "verbatimEventDate": "1947-01-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}