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": ""}
     4=h ASTERACEAE  creighton marsh, t46n, r16w, ne1/4 sw1/4 ne1/4 sec. 12  [<b  solidago rugosa    Michigan 7   2V/H MILL.      749 $       gR SOLIDAGO  +4/  1985-08-09  0  Barbara J. Madsen  SCHOOLCRAFT FXZ     [&: 1257566 
{"catalogNumber": "1257566", "order": "", "family": "Asteraceae", "scientificName": "Solidago rugosa", "scientificNameAuthorship": "Mill.", "genus": "Solidago", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara J. Madsen", "recordNumber": "749", "verbatimEventDate": "1985-08-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "Creighton Marsh, T46N, R16W, NE1/4 SW1/4 NE1/4 sec. 12", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}