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": ""}
   x 1674187 gronovii ) GR    Livingston     stanley a. cain, evans & f. segadas-vianna,  Michigan Sv8G       hieracium gronovii k<~H   tb l.    9L5v[ s.n.  u anton a. reznicek   [*E asteraceae    aj? 1948-10-06 
{"catalogNumber": "1674187", "order": "", "family": "Asteraceae", "scientificName": "Hieracium gronovii", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "gronovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Stanley A. Cain, Evans & F. Segadas-Vianna", "recordNumber": "s.n.", "verbatimEventDate": "1948-10-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}