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": ""}
  :Gu -83.48159   convolvulaceae m *2     [  &i (l.) pursh      122493 k     45.06878 g~.l   alpena twp. t31n, r8e, sec. 20, se1/4 1/4 mi. w. of bagley st. and 1/2 mi. w. of m-32 behind the county garage. Z^K&    172 >+Yv  calystegia spithamaea |   Michigan <0a $  united states <a  
{"catalogNumber": "1222493", "order": "", "family": "Convolvulaceae", "scientificName": "Calystegia spithamaea", "scientificNameAuthorship": "(L.) Pursh", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "172", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Alpena Twp. T31N, R8E, Sec. 20, SE1/4 1/4 mi. W. of Bagley St. and 1/2 mi. W. of M-32 behind the county garage.", "decimalLatitude": "45.06878", "decimalLongitude": "-83.48159", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}