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": ""}
 B 1973-04-10   W. C. BRUMBACH g0M$   qk@[ L.  POALES o:q.   Y]  United States  1406228 Cw)N_      Poaceae T3=b   8304  -Qn   florida T  SATIVA  ^  avena L   AVENA SATIVA  ?    L7) contact um herbarium   Lee Xa 
{"catalogNumber": "1406228", "order": "Poales", "family": "Poaceae", "scientificName": "Avena sativa", "scientificNameAuthorship": "L.", "genus": "Avena", "subgenus": "", "specificEpithet": "sativa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. C. Brumbach", "recordNumber": "8304", "verbatimEventDate": "1973-04-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Lee", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}