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": ""}
     fRX[5 42.9633  m&8 Z united states  ($ > 1897-06-24  h(3Q melilotus officinalis     7 Fabaceae fabales 8    FLG melilotus  M8 Michigan     a930 officinalis   |h!Y S.N.   kent #@   (l.) lam. qAzY   EMMA J. COLE x 
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Melilotus officinalis", "scientificNameAuthorship": "(L.) Lam.", "genus": "Melilotus", "subgenus": "", "specificEpithet": "officinalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "1897-06-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "42.9633", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}