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": ""}
269 I  s    SOLANALES L>.    +Z sabino canyon 1938-06-18 #S8L     &OjF flrs. blue PIMA v-   >m barbatisepala    VC IPOMOEA   K/.(I STEPHEN S. WHITE ARIZONA +  ^@     A. GRAY 67    I 1544976   4 Ipomoea brarbatisepala CONVOLVULACEAE N>$a   T&i?I united states
{"catalogNumber": "1544976", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea barbatisepala", "scientificNameAuthorship": "A. Gray", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "barbatisepala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stephen S. White", "recordNumber": "269", "verbatimEventDate": "1938-06-18", "habitat": "", "occurrenceRemarks": "Flrs. blue", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Pima", "municipality": "", "locality": "Sabino Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}