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": ""}
478 Y7o  CRISPUM ~ sC  tanacetum H2   Ts 1517287  $ (L.) Fernald   ozc MICHIGAN  United States %mWy  1926-07-03 av     The Entry.  Escaped from cultivation. ugB     b l 46.97559  J f.      -88.43112 jZT   J i 7 Asterales  VATu# houghton  <&?z> frederick j. hermann 
{"catalogNumber": "1517287", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Fernald", "genus": "Tanacetum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "f.", "infraspecificEpithet": "crispum", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "478", "verbatimEventDate": "1926-07-03", "habitat": "Escaped from cultivation.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "The Entry.", "decimalLatitude": "46.97559", "decimalLongitude": "-88.43112", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}