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": ""}
  1407862 Ta8j    [en ? bromus   ?f#  s.n.   bromus racemosus $P   POACEAE X>T  contact um herbarium 9_`  United States Cz   1889-06-09 #  Poales M &    racemosus `     <x l.  MAY VARNEY mB 83   
{"catalogNumber": "1407862", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus racemosus", "scientificNameAuthorship": "L.", "genus": "Bromus", "subgenus": "", "specificEpithet": "racemosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "May Varney", "recordNumber": "s.n.", "verbatimEventDate": "1889-06-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}