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": ""}
 E. L. Ekman RKp   kO elliptica  MP2z  1157449   OBxH (urb.) borhidi var. A           !)on BONANIA ELLIPTICA VAR. SPINOSA ORIENTE <  SPINOSA Eg  bonania #7     SANTIAGO DE CUBA, AT CABO CRUZ 1I>S      1924-05-26 ! 
{"catalogNumber": "1157449", "order": "", "family": "", "scientificName": "Bonania elliptica var. spinosa", "scientificNameAuthorship": "(Urb.) Borhidi", "genus": "Bonania", "subgenus": "", "specificEpithet": "elliptica", "verbatimTaxonRank": "var.", "infraspecificEpithet": "spinosa", "identifiedBy": "", "recordedBy": "E. L. Ekman", "recordNumber": "", "verbatimEventDate": "1924-05-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oriente", "county": "", "municipality": "", "locality": "Santiago de Cuba, at Cabo Cruz", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}