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": ""}
- @u    |R   1223741 pennsylvania J   seId PALUSTRIS   u@.c 1919-08-24  <f&1P lehigh    [ W end of Slatedale, about 1/4 mi. N by slightly NW of, in an open "mud" of "sink hole" just NW of slate quarry SAXIFRAGALES b#;ky    9944 L$J??    2H PROSERPINACA   L.  O #  HAROLD W. PRETZ K4    proserpinaca palustris #u >  robin w. scribailo, mitchell s. alix2S4z  United States 5w   a haloragaceae  
{"catalogNumber": "1223741", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "Proserpinaca palustris", "scientificNameAuthorship": "L.", "genus": "Proserpinaca", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robin W. Scribailo, Mitchell S. Alix", "recordedBy": "Harold W. Pretz", "recordNumber": "9944", "verbatimEventDate": "1919-08-24", "habitat": "", "occurrenceRemarks": "-", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Lehigh", "municipality": "", "locality": "W end of Slatedale, about 1/4 mi. N by slightly NW of, in an open \"mud\" of \"sink hole\" just NW of slate quarry", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}