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": ""}
   V4u1 Climax forest.   G0- Warren Woods,  41.834808 A-T  ACHILLEA MILLEFOLIUM 3gt@^  asterales KdW    8M!(D -6.624924  L 1921-05-21  lI united states  o 1249400  .3Az Berrien  ?4=NF millefolium   aOI michigan  ]  09 cecil billington   i  ACHILLEA   Asteraceae /V   L. L)   
{"catalogNumber": "1249400", "order": "Asterales", "family": "Asteraceae", "scientificName": "Achillea millefolium", "scientificNameAuthorship": "L.", "genus": "Achillea", "subgenus": "", "specificEpithet": "millefolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1921-05-21", "habitat": "Climax forest.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Warren Woods,", "decimalLatitude": "41.834808", "decimalLongitude": "-86.624924", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}