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": ""}
    acaciella       1933-07-22 t   Acaciella angustissima n4@    (mill.) britton & rose 0a$   ::i 487  f7f^ angustissima  contact um herbarium i a       ALEXANDER F. SKUTCH <6t0   Ond 1148049 
{"catalogNumber": "1148049", "order": "", "family": "", "scientificName": "Acaciella angustissima", "scientificNameAuthorship": "(Mill.) Britton & Rose", "genus": "Acaciella", "subgenus": "", "specificEpithet": "angustissima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alexander F. Skutch", "recordNumber": "487", "verbatimEventDate": "1933-07-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}