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": ""}
panicum antidotal3 :[<        a RETZ.  SIOn 1005707  m 7980 antidotale ~   united states -[n  poales Rd     ROADSIDE, TEXAS 285,9 MILES EAST OF AIVERA. TX       !td`y PANICUM       FJ KLEBERG 1968-09>01 6D*r 
{"catalogNumber": "1005707", "order": "Poales", "family": "", "scientificName": "Panicum antidotale", "scientificNameAuthorship": "Retz.", "genus": "Panicum", "subgenus": "", "specificEpithet": "antidotale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7980", "verbatimEventDate": "1968-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Kleberg", "municipality": "", "locality": "Roadside, Texas 285, 9 miles east of Riviera.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}