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": ""}
  ROTH l?hB  AGROSTIS GIGANTEA -      t MICHIGAN     D $ M BELLE ISLE, IN DETROIT R.   MG9U [CITED REP. MICH. ACAD. 21:351.]  | united states gigantea a  agrostis gG   42.347904 )y    POALES 3  560c z   ; 1893-07-22  [in open fields] nl     oliver a. farwell dd$ 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Agrostis gigantea", "scientificNameAuthorship": "Roth", "genus": "Agrostis", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "560c", "verbatimEventDate": "1893-07-22", "habitat": "[in open fields]", "occurrenceRemarks": "[Cited Rep. Mich. Acad. 21:351.]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Belle Isle, in Detroit R.", "decimalLatitude": "42.347904", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}