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": ""}
  746 oC    &(A MICHIGAN  0&R B 1968-08-12  := 1217541 ASTERA1ES (           U$ (l.) nutt.  "FREQUENT." 77  roadside, low area ^   ^.5h[ euthamia graminifolia   -85.896154 S5     
{"catalogNumber": "1217541", "order": "Asterales", "family": "", "scientificName": "Euthamia graminifolia", "scientificNameAuthorship": "(L.) Nutt.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "746", "verbatimEventDate": "1968-08-12", "habitat": "Roadside, low area", "occurrenceRemarks": "\"Frequent.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.896154", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}