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": ""}
 iG!- 1550  antoxanthum nivale T kF$  Knox$_   iu Poaceae virunga mountains O.     3I[w3 NIVALE        * !J 1990-10-03   ) rwanda POALES =bUJ3  K. SCHUM. t5   qa4?L 01,23s 29,40e   Cont4ct UM Herbarium V   1703331 lbUgI    5G<wW burera
{"catalogNumber": "1703331", "order": "Poales", "family": "Poaceae", "scientificName": "Anthoxanthum nivale", "scientificNameAuthorship": "K. Schum.", "genus": "", "subgenus": "", "specificEpithet": "nivale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Knox", "recordNumber": "1550", "verbatimEventDate": "1990-10-03", "habitat": "Virunga Mountains", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Rwanda", "stateProvince": "", "county": "Burera", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "01,23S 29,40E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}