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": ""}
CARYOPHYLLALES pda`     y !sG John H. Ehlers Marsh.@v   1469251 ;&z   & & s S. F. Gray   y MACULOSA      perscaria maculosa Z&./I    I  -84.79715   N?d Along Maple River, West of Pellston.       %   Emmet united states GUE4  1921-08-21 p*  
{"catalogNumber": "1469251", "order": "Caryophyllales", "family": "", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1921-08-21", "habitat": "Marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Emmet", "municipality": "", "locality": "Along Maple River, West of Pellston.", "decimalLatitude": "", "decimalLongitude": "-84.79715", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}