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": ""}
 R4&0 UNITED STATES  (  marcus w. lyon, jr.    1924-08-08 m    7q poales  [x v s.n.  $ JUNCUS  w Wet meadow         @ JUNCACEAE   QtZl Dunes at Tremont.  acuminatus Cb   PORTER D  michx.  &Z  INDIANA ]a%-/  1446467  1< 
{"catalogNumber": "1446467", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Juncus", "subgenus": "", "specificEpithet": "acuminatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Marcus W. Lyon, Jr.", "recordNumber": "s.n.", "verbatimEventDate": "1924-08-08", "habitat": "Wet meadow", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Indiana", "county": "Porter", "municipality": "", "locality": "Dunes at Tremont.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}