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": ""}
 1957-08-03 =     asterales gb f;   leel4nau /mS  united states G! x   pDT8 ASTERACEAE  45.119444 Ij  2  north manitou island near dock at north manitou. T@bKz  5156 h    edward g. voss ?&5a   OCCASIONAL, MOWED WASTE GROUND   v(K    ?Dw "HEADS WHITE."  lv achillea millefolium  m_ millefolium 1249339 @3Ol  -86.01694 4 cm     +( MICHIGAN  
{"catalogNumber": "1249339", "order": "Asterales", "family": "Asteraceae", "scientificName": "Achillea millefolium", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "millefolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "5156", "verbatimEventDate": "1957-08-03", "habitat": "occasional, mowed waste ground", "occurrenceRemarks": "\"Heads white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Leelanau", "municipality": "", "locality": "North Manitou Island near dock at North Manitou.", "decimalLatitude": "45.119444", "decimalLongitude": "-86.016944", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}