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": ""}
     MRN b 1548781    Ff malpighiaceae    [8Xl= CONTACT UM HERBARIUM  chrysophylla mxUq     BRAZIL  r     ^Y$ B. Dubs   An= 1991-10-21  BU  16Â° 41' S 54Â° 09' W   malpighiales AK   
{"catalogNumber": "1548781", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "chrysophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. Dubs", "recordNumber": "", "verbatimEventDate": "1991-10-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Brazil", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "16\u00c2\u00b0 41' S 54\u00c2\u00b0 09' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}