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": ""}
  @ avenella flexuosa    7 PP> -84.03695  zb% poaceae   J JOHN H. EH LER     avenella , KKJ    1212620 <e    JACK PINE PLAINS Ed4     UNITED STATES =5n  7020 jipz*      P) 1938-07-09
{"catalogNumber": "1212620", "order": "", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "", "genus": "Avenella", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "7020", "verbatimEventDate": "1938-07-09", "habitat": "Jack Pine plains", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.03695", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}