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": ""}
maculosa  Xc   united states X 4 ^     1814 *I    persicaria maculosa sv2p  Marsh. wN<   q9zl  45.55202     |`%f PERSICARIA 1921-08-21 oz    1469251 c   Michigan 6 2    oa] ALONG MAPLE RIVER, WEST OF PELLSTON. EMMET  @7T       POLYGONACEAE john h. ehlers 47l  
{"catalogNumber": "1469251", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "", "genus": "Persicaria", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1814", "verbatimEventDate": "1921-08-21", "habitat": "Marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Along Maple River, West of Pellston.", "decimalLatitude": "45.55202", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}