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": ""}
    49aYp -83.662835  1 PRENANTHES ALBA UNITED STATES ]Rq,   in smalloak stand Id7Ie   |Ui4  asterales  | l.        /tUx 1475126  #4  prenanthes   JV [R STANWN G. SHELTER    /<m  superior twp. university of mchigan botanical gardens, dixboro site. 4.5 miles northeast of ann arbor; southwest of large pond, which bisects hardwood plantings  /M 1958-10-12  C 1030 washtenaw (5, ^  
{"catalogNumber": "1475126", "order": "Asterales", "family": "", "scientificName": "Prenanthes alba", "scientificNameAuthorship": "L.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stanwyn G. Shelter", "recordNumber": "1030", "verbatimEventDate": "1958-10-12", "habitat": "In small oak stand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Superior Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor; southwest of large pond, which bisects hardwood plantings", "decimalLatitude": "", "decimalLongitude": "-83.662835", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}