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": ""}
 1967-10-10        1233746 M    karwinskyana d^U=D        N ug F.R. BARRIE    x X O.BERG    6_9 BELIZE  #5 @ Elias Contreras   $<6 Myrtaceae    
{"catalogNumber": "1233746", "order": "", "family": "Myrtaceae", "scientificName": "", "scientificNameAuthorship": "O.Berg", "genus": "", "subgenus": "", "specificEpithet": "karwinskyana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "Elias Contreras", "recordNumber": "", "verbatimEventDate": "1967-10-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Belize", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}