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": ""}
 po &H 1298975    o@4+ ipomoea    1939-08-11 s =    f]o Stephen S. White collina T@aFI    sM contact um herbBarium  %SE, gordon d. mcpherson      ipomoea collina  4  @  SOLANALES 4j+t   h CONVOLVULACEAE    2384 7]f  
{"catalogNumber": "1298975", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea collina", "scientificNameAuthorship": "", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "collina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "Stephen S. White", "recordNumber": "2384", "verbatimEventDate": "1939-08-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}