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": ""}
araceae |$>   Pc U0 L. B. SMITH, S. L. KELSEY  F[; EAST BOXFORD  6F85 PALUoSTRIS    o4 L. 1662348 c&BA8   ] Calla  u8 537   KC CALLA PALUSTRIS  MASSACHUSETTS e lo        /WUv WOODED SWAMP    United States 9]     ac  essex 
{"catalogNumber": "1662348", "order": "", "family": "Araceae", "scientificName": "Calla palustris", "scientificNameAuthorship": "L.", "genus": "Calla", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. B. Smith, S. L. Kelsey", "recordNumber": "537", "verbatimEventDate": "", "habitat": "Wooded swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Essex", "municipality": "", "locality": "East Boxford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}