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": ""}
 W3m@ BROMUS contact um herbarium - 6k      JASON R. SWALLEN K)5D    1407581 ~zZh  broms kalmii w   QYN 1932-06-16   A. GRAY Gn      2198   tO kalmii  POALES  xz   W q= union  /3ZQ kentucky  poaceae -     
{"catalogNumber": "1407581", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus kalmii", "scientificNameAuthorship": "A. Gray", "genus": "Bromus", "subgenus": "", "specificEpithet": "kalmii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jason R. Swallen", "recordNumber": "2198", "verbatimEventDate": "1932-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Kentucky", "county": "Union", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}