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": ""}
 avenella Tk2      Nf 1990-08-15   Z S* NO DATA Knox +     1202 s  01â° 36' s 29â° 28' e ln!x    POACEAE a1pA     IR flexuosa  VD]|O RWANDA  Contact UM Herbarium #nRy%    ZYF poales   =PC no data 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Knox", "recordNumber": "1202", "verbatimEventDate": "1990-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Rwanda", "stateProvince": "no data", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "01\u00c2\u00b0 36' S 29\u00c2\u00b0 28' E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}