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": ""}
   dense patch of ca. 1 m tall plants, flowers white. same colony as steven garsk3 943 (mich) b       @ Ro5ales  = 46.65531 ONTONAGON CGbAV     5 Ottawa National Forest    2017-06-30   t 1517950 SPICATA KRbO             g 947
{"catalogNumber": "1517950", "order": "Rosales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "spicata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "947", "verbatimEventDate": "2017-06-30", "habitat": "", "occurrenceRemarks": "Dense patch of ca. 1 m tall plants, flowers white. Same colony as Steven Garske 943 (MICH)", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Ontonagon", "municipality": "", "locality": "Ottawa National Forest", "decimalLatitude": "46.65531", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}