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": ""}
carel hamel, ra6hmat si toroes  H       nudum B+&Y    9$K_ (TRIN.) A.CAMUS      North Sumatra 9z^    _  Microstegium  LOWER SLOPES C   Tek 741 Microstegium nudum  aZ      DidQ 1928-06-20  indonesia aw  U  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Microstegium nudum", "scientificNameAuthorship": "(Trin.) A.Camus", "genus": "Microstegium", "subgenus": "", "specificEpithet": "nudum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carel Hamel, Rahmat Si Toroes", "recordNumber": "741", "verbatimEventDate": "1928-06-20", "habitat": "Lower slopes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Indonesia", "stateProvince": "North Sumatra", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}