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": ""}
    v!; 1991-06-23  pilosella ;:3  Washtenaw vrKu6  oenothera 1N&   - MQf ONAGRACEAE   ]#;^ united states       city of ann arbor t:03s r:06e s:10 sub-s:n1/2 of ne1/4 of se1/4 ca. 700 feet west of platt road & 1200 feet north of i-94, j~0      * 3 942 MYRTALES      iQY "VERY UNCOMMON (ONLY ONE CLUMP)"  
{"catalogNumber": "", "order": "Myrtales", "family": "Onagraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Oenothera", "subgenus": "", "specificEpithet": "pilosella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "942", "verbatimEventDate": "1991-06-23", "habitat": "", "occurrenceRemarks": "\"Very uncommon (only one clump)\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "City of Ann Arbor T:03S R:06E S:10 Sub-S:N1/2 of NE1/4 of SE1/4 ca. 700 feet west of Platt Road & 1200 feet north of I-94,", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}