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": ""}
1946-03-09 8  _    x:  among rocks  Bonin Islands; Iwo Jima. N end of island k            6r L. HETEROPHYLLA v~    NXo/ malpighiales  Z EUPHORBI  euphorbiaceae  &_=7   IvY@ tokyo 122 .    20TH/ h.l. porter  I_tAV 1283377  0 tki japan Euphorbi4 heterophylla =o7p  
{"catalogNumber": "1283377", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia heterophylla", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.L. Porter", "recordNumber": "122", "verbatimEventDate": "1946-03-09", "habitat": "Among rocks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Japan", "stateProvince": "Tokyo", "county": "", "municipality": "", "locality": "Bonin Islands; Iwo Jima. N end of island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}