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": ""}
 Dy1U 46.484829 MACULOSA I    ROBERT H. READ |     -86.542475  polygonaceae :   )(O< Michigan united states j4N  S. F. Gray QU^^O    j caryophyllales  g NEAR JUNCTION OF ROADS LEADING TO MINERS CASTLE AND MINERS BASIN.  352 z KC   c 4lger   1469232 .   PERSICARIA r r   persicaria maculosa q  Roadside. A: ]   6Qf^u 1973-08-13  
{"catalogNumber": "1469232", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "Persicaria", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert H. Read", "recordNumber": "352", "verbatimEventDate": "1973-08-13", "habitat": "Roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "Near junction of roads leading to Miners Castle and Miners Basin.", "decimalLatitude": "46.484829", "decimalLongitude": "-86.542475", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}