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": ""}
 h kD MICHIGAN  [eI6 ranunculales   42.47652 R +xU   PALUSTRIS V   -83.14909 Q  404 u   Caltha ~     GKM% JOHN M. SUTTON detroit zoo X< O   XD]n caltha palustris     < UNITED STATES   1916-05-06 lmX@    
{"catalogNumber": "", "order": "Ranunculales", "family": "", "scientificName": "Caltha palustris", "scientificNameAuthorship": "", "genus": "Caltha", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John M. Sutton", "recordNumber": "404", "verbatimEventDate": "1916-05-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Detroit Zoo", "decimalLatitude": "42.47652", "decimalLongitude": "-83.14909", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}