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": ""}
1469219 z    p=? Michigan     E c. hamilton & k. krager   Bay Xpm   BuH caryophyllales  E UNITED STATES   4174u (      "hOerb; flo+wers white" >   MAPLE FOREST.  `G     >~` Polygonaceae  GbT$ 1983-08-21 PERSICARIA H   0 persicaria maculosa 
{"catalogNumber": "1469219", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Hamilton & K. Krager", "recordNumber": "4174", "verbatimEventDate": "1983-08-21", "habitat": "Maple forest.", "occurrenceRemarks": "\"Herb; flowers white\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Bay", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}