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": ""}
  a few plants. S 1tt    Nk@  2017-0901  C -85.582207   Micbigan (  bradford s. slaughter ZB6   1517960 &9o  polygonaceae )rL   UNITED STATES D  E of S Deer Lake Rd., 1 km S of 88th St. .M/WD    /u Persicaria virginiana  &=A8 lake 1958 O     B[-Gs anton a. reznicek  ) Persicaria    O[ (l.) gaertn.  43.821117 ;H   
{"catalogNumber": "1517960", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria virginiana", "scientificNameAuthorship": "(L.) Gaertn.", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Bradford S. Slaughter", "recordNumber": "1958", "verbatimEventDate": "2017-09-01", "habitat": "", "occurrenceRemarks": "A few plants.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lake", "municipality": "", "locality": "E of S Deer Lake Rd., 1 km S of 88th St.", "decimalLatitude": "43.821117", "decimalLongitude": "-85.582207", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}