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": ""}
     3433 <].%Z    0 |9 asteraceae     erigeron philadelphicus at Sandstone Falls. N4b     1950-06-27 v]>   KL )3 -90.04706  :C CHARLES D. RICHARDS       ` 1253762     w philadelphicus
{"catalogNumber": "1253762", "order": "", "family": "Asteraceae", "scientificName": "Erigeron philadelphicus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "philadelphicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "3433", "verbatimEventDate": "1950-06-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "at Sandstone Falls.", "decimalLatitude": "", "decimalLongitude": "-90.04706", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}