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": ""}
  1981-07-;30 4     iw anthemis cotula  ~<! Asteraceae  Canada mr  ontario r%i         a  Asterales erished. west lawn at crescent point o lower lake shebandowan, conacher twpf     L. qF   L THUNDER BAY  a xDt 20413  Zu# COTULA      1534246 lF  
{"catalogNumber": "1534246", "order": "Asterales", "family": "Asteraceae", "scientificName": "Anthemis cotula", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "cotula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "20413", "verbatimEventDate": "1981-07-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Erished. West lawn at Crescent Point on Lower Lake Shebandowan, Conacher Twp", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}