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": ""}
  ] billberianus (ONN.SM.) G.L.WEBSTER 4|L  silk grass creek reserve `1EB    TREE, 6 IN. DIAM  7       yo CROTON BILLBERGIANUS SUBSP. PYRAMIDALIS  2979 ~w    1159239 EB:4  pyramidalis Qw_q   BELIZE z      ww* Stann Creek  *wlR SUBSP.  EUPHORBIACEAE b?2*f 
{"catalogNumber": "1159239", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton billbergianus subsp. pyramidalis", "scientificNameAuthorship": "(Donn.Sm.) G.L.Webster", "genus": "", "subgenus": "", "specificEpithet": "billbergianus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "pyramidalis", "identifiedBy": "", "recordedBy": "", "recordNumber": "2979", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Tree, 6 in. diam", "associatedTaxa": "", "country": "Belize", "stateProvince": "Stann Creek", "county": "", "municipality": "", "locality": "Silk Grass Creek Reserve", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}