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": ""}
    7G euphorbiaceae   1934-06-17 &?MaD     pitcairn, henderso, ducie, and oeno islands ked      1304269 t +Sa     LEDGES ON CORAL SEA CLIFF d<    prostrate, fl. white s~X       t harold st. john & f.r. fosberg
{"catalogNumber": "1304269", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harold St. John & F.R. Fosberg", "recordNumber": "", "verbatimEventDate": "1934-06-17", "habitat": "Ledges on coral sea cliff", "occurrenceRemarks": "Prostrate, fl. White", "associatedTaxa": "", "country": "Pitcairn, Henderson, Ducie, and Oeno Islands", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}