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": ""}
  W  2018    dDxX HELEN KENNEDY  CONVOLVULACEAE g)4V    O 1299209  #W1 HEDERIFOLIA SOLANALES m    EE4 L. IPOMOEA HEDERIFOLIA N;6.`   1972-12-30 PtYM         CONTACT UM HERBARIUM 6t@    1B| M Panama  IW& ipomoea 
{"catalogNumber": "1299209", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea hederifolia", "scientificNameAuthorship": "L.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "hederifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Helen Kennedy", "recordNumber": "2018", "verbatimEventDate": "1972-12-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Panama", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}