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": ""}
 rwanda (3b   NORTHERN PROVINCE C    K. Schum. R  anthoxanthum nivale xm  poales    BURERA    5r  nivale qQ|[sT     Ad CONTACT UM HERBARIUM POACEAE T]  1703331 A@?v%   oh$(c 01,23S 29,4E   T< KNOX  1550 E  Anth0xan7hum 5m.+   VIRUNGA MOUNTAINS p    s;OJ 1990-10-03  
{"catalogNumber": "1703331", "order": "Poales", "family": "Poaceae", "scientificName": "Anthoxanthum nivale", "scientificNameAuthorship": "K. Schum.", "genus": "Anthoxanthum", "subgenus": "", "specificEpithet": "nivale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Knox", "recordNumber": "1550", "verbatimEventDate": "1990-10-03", "habitat": "Virunga Mountains", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Rwanda", "stateProvince": "Northern Province", "county": "Burera", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "01,23S 29,40E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}