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": ""}
     =nhx RIO NEGRO   P. Acevedo-Rdgz., J. Lima Santos, & J. Guedes de Oliveira l v    [+ malpighiales     1cP 1531681  6pen2 heteropterys   a[S Mal&pighiaceae  B)9 1996-08-16     3, Y! 8402  OK5 Heteropterys racemosa   amazonas (6  
{"catalogNumber": "1531681", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Heteropterys racemosa", "scientificNameAuthorship": "", "genus": "Heteropterys", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "P. Acevedo-Rdgz., J. Lima Santos, & J. Guedes de Oliveira", "recordNumber": "8402", "verbatimEventDate": "1996-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Amazonas", "county": "Rio Negro", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}