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": ""}
1941-06-15 `   G  Acanthophyllum microcephalum  0 d  no data  microcephalum DpN   walter n. koelz N&   b; 1498157    1219 S Lkq     CK^ CARYOPHYLLALE5   aij dry cliff     Acanthophyllum Li%4s  IRAN n-     ty > BOISS. 
{"catalogNumber": "1498157", "order": "Caryophyllales", "family": "", "scientificName": "Acanthophyllum microcephalum", "scientificNameAuthorship": "Boiss.", "genus": "Acanthophyllum", "subgenus": "", "specificEpithet": "microcephalum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1941-06-15", "habitat": "Dry cliff", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}