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": ""}
 1926-07-24 O r7   B-z 1351041 44.77293 Opj      20@_  ranunculus sceleratus 3442 fg U      GrandTraverse :    Hl John H. Ehlers   6  ranunculaceae united states p0  -85.40397 ~a     H| sceleratus  2C o Ra/nunculales  williamsburg W$a%  Michigan *Ox>w   m RANUNCULUS
{"catalogNumber": "1351041", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus sceleratus", "scientificNameAuthorship": "", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "sceleratus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "3442", "verbatimEventDate": "1926-07-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Grand Traverse", "municipality": "", "locality": "Williamsburg", "decimalLatitude": "44.77293", "decimalLongitude": "-85.40397", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}