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": ""}
  f7v  fatua  43481 - L    CALIFORNIA I     aBw1Q avena    poaceae Y%  1427528 -5$w,   O$ h 1893-04-29      Fresno   @BN UNITED STATS  h! FRESNO   lW AVENA FATUA   oL NOT PRESENT poales ov-    aXo L.
{"catalogNumber": "1427528", "order": "Poales", "family": "Poaceae", "scientificName": "Avena fatua", "scientificNameAuthorship": "L.", "genus": "Avena", "subgenus": "", "specificEpithet": "fatua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "not present", "recordNumber": "43481", "verbatimEventDate": "1893-04-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Fresno", "municipality": "", "locality": "Fresno", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}