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": ""}
 1931-04-16 ~+HBT   tB> CAYO Cayo 6~ +    sphacelatum t    orchyidaceae 6)n       DFjK el cayo  H. H. Bartlett Aj1q   belize q.t   oncidium %%  oncidium sphcelatum 7rX    T+ asparagales  :%#W LIND.  
{"catalogNumber": "", "order": "Asparagales", "family": "Orchidaceae", "scientificName": "Oncidium sphacelatum", "scientificNameAuthorship": "Lindl.", "genus": "Oncidium", "subgenus": "", "specificEpithet": "sphacelatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. H. Bartlett", "recordNumber": "", "verbatimEventDate": "1931-04-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Belize", "stateProvince": "Cayo", "county": "Cayo", "municipality": "", "locality": "El Cayo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}