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": ""}
   = 1231791  xX& myrtaceae  ^ DC.      z! Mexico   ,96qV f.d. barlow  MYRTALES 7 MD   =BL F.R. BARRIE  eeJZ  EUGENIA AERUGINEA  b 33/1   contact um herbarium z    eugenia ,v  TAB4SCO  q.    E&0 x aeruginea  1963-06-21 gSMX 
{"catalogNumber": "1231791", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Eugenia aeruginea", "scientificNameAuthorship": "DC.", "genus": "Eugenia", "subgenus": "", "specificEpithet": "aeruginea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "F.D. Barlow", "recordNumber": "33/1", "verbatimEventDate": "1963-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tabasco", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}