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": ""}
@A 496 FREQUENT.  `   1482021  <g   44.071667 xc  Poales +;DrZ    david c. dister tb  Agrostis Eu0j~  SCABRA /njE8  Anton A. Reznicek NH    R7bN 2014-07-27 Willd. P    m+A MICHIGAN     ( n # Ludington State Park  Poaceae n l   *t UNITED STATES AGROSTIS SCABRA d`   n 44â° 04.300'; w 86â° 2.807' v  
{"catalogNumber": "1482021", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis scabra", "scientificNameAuthorship": "Willd.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "scabra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "David C. Dister", "recordNumber": "496", "verbatimEventDate": "2014-07-27", "habitat": "", "occurrenceRemarks": "frequent.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ludington State Park", "decimalLatitude": "44.071667", "decimalLongitude": "", "verbatimCoordinates": "N 44\u00c2\u00b0 04.300'; W 86\u00c2\u00b0 29.807'", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}