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": ""}
ANGUSTISSIMA l7W     <OGbH Mexico    cF 1981     #n l. rico    #o<W$ C. HARPER  Durango 6xuJp    Fabales np?  1968-06-21 ?&N   sFn @ acaciella  ~ 24.502  texensis nk> ,  -104.395 uu,(a    P@es CONTACT UM HERBARIUM  X VAR.
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "", "scientificNameAuthorship": "L. Rico ", "genus": "Acaciella", "subgenus": "", "specificEpithet": "angustissima", "verbatimTaxonRank": "var.", "infraspecificEpithet": "texensis", "identifiedBy": "", "recordedBy": "C. Harper", "recordNumber": "", "verbatimEventDate": "1968-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Durango", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "24.3502", "decimalLongitude": "-104.395", "verbatimCoordinates": "", "minimumElevationInMeters": "1981", "maximumElevationInMeters": ""}