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": ""}
michigan 4;   aviculare <R/E  Polygonum avicular3 Z    46.484829 >,>>!      X1kZ -86.542475    z@# l.  3c   POLYGONUM POLYGONACEAE 1   ROBERT H. READ ^wH[8  1466061 94[(       7 1973-08-13  a.j alqer  31  Near junction of roads leading to Miners Basin and Miners Castle. cayophyllalSes @ X  368 bbNh  
{"catalogNumber": "1466061", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum aviculare", "scientificNameAuthorship": "L.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert H. Read", "recordNumber": "368", "verbatimEventDate": "1973-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "Near junction of roads leading to Miners Basin and Miners Castle.", "decimalLatitude": "46.484829", "decimalLongitude": "-86.542475", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}