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": ""}
 2H_r  1967-08-15     560Ww 1540572  Aasm  lamiales BIGNONIACAE qLn9c  Mary C. Helms $_b   Zv1O  Campsis rad|cans    united states `+    1176 ;Roo      1G Campsis    (L.) SEEM. EX BUREAU 2 miles north of greenville, west of airport y=K=u   Ftqq PITT NORTH CAROLINA @    radkicans y 
{"catalogNumber": "1540572", "order": "Lamiales", "family": "Bignoniaceae", "scientificName": "Campsis radicans", "scientificNameAuthorship": "(L.) Seem. ex Bureau", "genus": "Campsis", "subgenus": "", "specificEpithet": "radicans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary C. Helms", "recordNumber": "1176", "verbatimEventDate": "1967-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Pitt", "municipality": "", "locality": "2 miles north of Greenville, west of Airport", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}