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": ""}
     J 1965-05-04  1144042 rM   H GUATEMALA    RjMRo agave pachycentra  ) CONTACT UM HERBARIUM   Q] pachycentra    ^ TREL. ASPARAGACEAE iD     F<r7 20973    ;b Agave HOWARD S. GENTRY J~5,yV     Asparagales T< z 
{"catalogNumber": "1144042", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Agave pachycentra", "scientificNameAuthorship": "Trel.", "genus": "Agave", "subgenus": "", "specificEpithet": "pachycentra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "20973", "verbatimEventDate": "1965-05-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}