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": ""}
united states vu 1933 -07-19 ?    [ Amaranthus     2538 ; !y      4 AMARANTHACEAE    Jonanthan D. Sauer MT|     ^jDv -87.61667    CARYOPHYLLALES 8=3     N L. 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jonanthan D. Sauer", "recordedBy": "", "recordNumber": "2538", "verbatimEventDate": "1933-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-87.61667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}