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": ""}
 -50.4166666667 , !^v   1990-01-07 zbe*n   M+9) ParaguarÃ­   fagifolia L    malpighiales ]U  WILLIAM R. ANDERSON $z%   hiraea*  :    $ ESTERO DEL YPOÃ¡, 20 KM W OF CARAPEGUÃ¡, N OF PACHECO  L@oZ 1557221    F z| PARAGUAY  n&<g Hira3a fagifolia e. zardini, e. velã¡zquez <e W      17542 M-#;( 
{"catalogNumber": "1557221", "order": "Malpighiales", "family": "", "scientificName": "Hiraea fagifolia", "scientificNameAuthorship": "", "genus": "Hiraea", "subgenus": "", "specificEpithet": "fagifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "William R. Anderson", "recordedBy": "E. Zardini, E. Vel\u00c3\u00a1zquez", "recordNumber": "17542", "verbatimEventDate": "1990-01-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Paraguay", "stateProvince": "Paraguar\u00c3\u00ad", "county": "", "municipality": "", "locality": "Estero del Ypo\u00c3\u00a1, 20 km W of Carapegu\u00c3\u00a1, N of Pacheco", "decimalLatitude": "", "decimalLongitude": "-50.4166666667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}