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": ""}
  c+8 42.8817778   C COMMON. michigan jH!     k 403   Rt DICHANTHELIUM     f 2011-07-01 Dichanthelium spretum Y$,w     united states    (SCHULT.) FRECKMANN x>#     5i/#d -86.1713889   M2- Anton A. Reznicek   WILLIAM S. MARTINUS tY~z 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Dichanthelium spretum", "scientificNameAuthorship": "(Schult.) Freckmann", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William S. Martinus", "recordNumber": "403", "verbatimEventDate": "2011-07-01", "habitat": "", "occurrenceRemarks": "Common.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.8817778", "decimalLongitude": "-86.1713889", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}