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": ""}
  1236839 o:    z= Myrtaceae   KRUG & URB. EX URB. 36X  EUGENIA Hlx         KS rogers mcvaugh     gZ4x GRYPOSPERMA    j$  MARTINIQUE   1968-04-09 BR:  Eugenia grypospeerma L    45   
{"catalogNumber": "1236839", "order": "", "family": "Myrtaceae", "scientificName": "Eugenia gryposperma", "scientificNameAuthorship": "Krug & Urb. ex Urb.", "genus": "Eugenia", "subgenus": "", "specificEpithet": "gryposperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "", "recordNumber": "45", "verbatimEventDate": "1968-04-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Martinique", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}