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": ""}
 dinebra retroflexa kSy+   U[ UGANDA   l. liebenberg I    +2 Comtct UM Herbarium     1706014 :L6    A/W dinebra  6% 1930-07     2x~V_ retrolexa    Poales ^u3     
{"catalogNumber": "1706014", "order": "Poales", "family": "", "scientificName": "Dinebra retroflexa", "scientificNameAuthorship": "", "genus": "Dinebra", "subgenus": "", "specificEpithet": "retroflexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. Liebenberg", "recordNumber": "", "verbatimEventDate": "1930-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Uganda", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}