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": ""}
      ROBERT MERILL KING #w     4L^ (JACQ.) SARG.   7K. Celtis 1959-07-12 )SC`9  1604 v     oaxaca E?&  ROSALES :l3I;       An CELTIS IGUANAEA cannabaceae P   Y C.V. MORTON  
{"catalogNumber": "", "order": "Rosales", "family": "Cannabaceae", "scientificName": "Celtis iguanaea", "scientificNameAuthorship": "(Jacq.) Sarg.", "genus": "Celtis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.V. Morton", "recordedBy": "Robert Merill King", "recordNumber": "1604", "verbatimEventDate": "1959-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}