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": ""}
 charles d. richards 7   = 4217 BROMUS CILIATUS  <   united states Bs8fi   j POACEAE       !9jJ3 ABOUT 3 MI. SOUTH OF HOUGHTON ALONG US41  g`g  -88.520475      =>hrh DRY BANK ALONG RAIROAD TRACKS  Xz8 houghton  MICHGAN $ml   93 bromus  AOHJv 1950-08-18  X`B - 1309541  r3]| ciliatus 
{"catalogNumber": "1309541", "order": "", "family": "Poaceae", "scientificName": "Bromus ciliatus", "scientificNameAuthorship": "", "genus": "Bromus", "subgenus": "", "specificEpithet": "ciliatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "4217", "verbatimEventDate": "1950-08-18", "habitat": "Dry bank along railroad tracks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "about 3 mi. south of Houghton along US41", "decimalLatitude": "", "decimalLongitude": "-88.520475", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}