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": ""}
   a shrub up to 2 m tall. leaves silvery underneath bb2L    950 |% R  CROTON Jt     R f pax  J- Croton pseudopulchellus   kenya inJ    lT|p at foothills of Mt. Kasigau. Northern side  [8m EUPHORBIACEAE    p BEATRICE MIRINGU AND O. MWANGANGI  z 1 malpighiales   b COAST     1999-07-20 d 
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton pseudopulchellus", "scientificNameAuthorship": "Pax", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Beatrice Miringu and O. Mwangangi", "recordNumber": "", "verbatimEventDate": "1999-07-20", "habitat": "", "occurrenceRemarks": "A shrub up to 2 m tall. Leaves silvery underneath", "associatedTaxa": "", "country": "Kenya", "stateProvince": "Coast", "county": "", "municipality": "", "locality": "at foothills of Mt. Kasigau. Northern side", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "950", "maximumElevationInMeters": ""}