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": ""}
2002-07-31 ~#r~         euthamia lt$   pO limestome pavement along lake michigan. associaotes: lobelia kalmii, juncus effusus, lythrum, potentilla anserina, salix. frequent.  schoolcraft K=GHm|  across u.s. 2 from best western inn, 4 miles east of manistique, 800' s. of u.s. 2. +     7_q Michigan  8460 B?.1    45.95772 ##  Asterales Wj 8y  (l.) nutt. wh<g   -86.16294 6  var. G f/z   J 1200439 
{"catalogNumber": "1200439", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Nutt.", "genus": "Euthamia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8460", "verbatimEventDate": "2002-07-31", "habitat": "Limestome pavement along Lake Michigan. Associates: Lobelia kalmii, Juncus effusus, Lythrum, Potentilla anserina, Salix. Frequent.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "Across U.S. 2 from Best Western Inn, 4 miles East of Manistique, 800' S. of U.S. 2.", "decimalLatitude": "45.95772", "decimalLongitude": "-86.16294", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}