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": ""}
   UNITED STATES pp$K;     1468836 f r+   dj MICHX.  Saxifragales  rf      ?E sn -84.44777 Quinn P. Sinnott  D>g         U0 AGRICULTURAL CO+LLEGE [MAC]  92O  ribes  42.69779 k8<=  
{"catalogNumber": "1468836", "order": "Saxifragales", "family": "", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Ribes", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Quinn P. Sinnott", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Agricultural College [MAC]", "decimalLatitude": "42.69779", "decimalLongitude": "-84.44777", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}