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": ""}
Rio Negro l.aN     ` AMAZONAS    Ax   malpighiales   BRAZIL _  Heteropterys nervosa d9b  nervosa %     +|r@ S. MORI, C. GRACIE 1531439 PO~Y2    l 9  A. JUSS. CONTACT UM HERBARIUM /    ?SY~U 21940  7 MALPIGHIACEAE  T-  02Â°34'S, 060Â°19'W   (l HETEROPTERYS   8HtV 1991-08-06 
{"catalogNumber": "1531439", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Heteropterys nervosa", "scientificNameAuthorship": "A. Juss.", "genus": "Heteropterys", "subgenus": "", "specificEpithet": "nervosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. Mori, C. Gracie", "recordNumber": "21940", "verbatimEventDate": "1991-08-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Brazil", "stateProvince": "Amazonas", "county": "Rio Negro", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "02\u00c2\u00b034'S, 060\u00c2\u00b019'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}