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": ""}
    4! 1948-07-20    ASTILLADORA (RANCHO CAÃ±Ã³N); 6 KM ALONG ROAD FROM PÃ¡TZCUARO TO TACAMBARO     19.4686 R0    z Asparagales   GREENM. 3v%   SISYRINCHIUM PALMERI 4L         Michoacan * mO   
{"catalogNumber": "", "order": "Asparagales", "family": "", "scientificName": "Sisyrinchium palmeri", "scientificNameAuthorship": "Greenm.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1948-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "Astilladora (Rancho Ca\u00c3\u00b1\u00c3\u00b3n); 6 km along road from P\u00c3\u00a1tzcuaro to Tacambaro", "decimalLatitude": "19.4686", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}