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": ""}
Myrtaceae 75#  CHIAPAS yb            v6gS 1952-10-15    ( Myrtales   Eugenia .z T%   ?,&s 1233934  U 7580/5 F.R. Barrie !17x    siltepecana P3[     Wd p eugenia sil7epecana
{"catalogNumber": "1233934", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Eugenia siltepecana", "scientificNameAuthorship": "", "genus": "Eugenia", "subgenus": "", "specificEpithet": "siltepecana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "", "recordNumber": "7580/5", "verbatimEventDate": "1952-10-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chiapas", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}