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": ""}
MICHIGAN e    united states &   4641 MA  ASTEALES t  L T asteraceae PRENANTHES ALBA >  near Tecoma [        ` ALBA MACOMB c<PFl    1256093 XE~/   l. L4!Ka       k=6 1917-09-23   &?F Prenanthes
{"catalogNumber": "1256093", "order": "Asterales", "family": "Asteraceae", "scientificName": "Prenanthes alba", "scientificNameAuthorship": "L.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4641", "verbatimEventDate": "1917-09-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Macomb", "municipality": "", "locality": "near Tecoma", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}