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": ""}
 4rhu Orchidaceae maskall Tp    6 belize  PERCY H. GENTLE          ?gv sphacelatum  @1 1934-02-23  [ 1143   SDF oncidium sphacelatum    1653247 _    a Oncidium       s;i_V LINDL.
{"catalogNumber": "1653247", "order": "", "family": "Orchidaceae", "scientificName": "Oncidium sphacelatum", "scientificNameAuthorship": "Lindl.", "genus": "Oncidium", "subgenus": "", "specificEpithet": "sphacelatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Percy H. Gentle", "recordNumber": "1143", "verbatimEventDate": "1934-02-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Belize", "county": "Maskall", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}