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": ""}
44.836683 ~   vR+K 1249350   3 As7erales      Achillea millefolium Z^D  l. ,nf$?    `;;Q DISTURBED GROUND MILLEFOLIUM 8    & BRIAN T. HAZLETT   S8Y ACHILLEA    1984-08-21 dN      O AT CORNER OF M-22 AND FREDRICKSON RD. 
{"catalogNumber": "1249350", "order": "Asterales", "family": "", "scientificName": "Achillea millefolium", "scientificNameAuthorship": "L.", "genus": "Achillea", "subgenus": "", "specificEpithet": "millefolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Brian T. Hazlett", "recordNumber": "", "verbatimEventDate": "1984-08-21", "habitat": "Disturbed ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "at corner of M-22 and Fredrickson Rd.", "decimalLatitude": "44.836683", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}