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": ""}
 malpighiales AMU  1642550 Gaf4D     L46. mabea speciosa  uG_# MARSHALL FALLS, MAZARUNI RIVER  Cgk gallery forest flanking river. loamy soil.  K. M. Redden !.    6.2848889 H@   2146 #E  37 D][   2004-03-06 6Sb-     +_ GUYANA  ??ll.arg.  b^51   -8.7209722 B~     [T CUYUNI-MAZARUNI
{"catalogNumber": "1642550", "order": "Malpighiales", "family": "", "scientificName": "Mabea speciosa", "scientificNameAuthorship": "M??ll.Arg.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "K. M. Redden", "recordNumber": "2146", "verbatimEventDate": "2004-03-06", "habitat": "Gallery forest flanking river. Loamy soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guyana", "stateProvince": "Cuyuni-Mazaruni", "county": "", "municipality": "", "locality": "Marshall Falls, Mazaruni River", "decimalLatitude": "6.2848889", "decimalLongitude": "-58.7209722", "verbatimCoordinates": "", "minimumElevationInMeters": "37", "maximumElevationInMeters": ""}