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": ""}
1337260 @ji  North Carolina KJ2=    Fagales !6    1897-04-22 C    FAGACEAE D,   i _ not evident   n| GRPM 42402  o MARYLANDICA     q< 1_ Quercus marylandica   United States  y  0   1 biltmore    ,@ Du Roi  
{"catalogNumber": "1337260", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus marylandica", "scientificNameAuthorship": "Du Roi", "genus": "", "subgenus": "", "specificEpithet": "marylandica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "", "verbatimEventDate": "1897-04-22", "habitat": "", "occurrenceRemarks": "GRPM 42402", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "", "municipality": "", "locality": "Biltmore", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}