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": ""}
-21.6665917 yU    1 SERRANIA DEL AGUARAGUE, SANANDITA, ENTRE LOS POZOS 19 Y 22  pilulifer H:N    z CROTON PILULIFER      0 -63.6268278 croton ` 0  1276     5n.  435   M. CORNEJO, P. GISMONDI & C. CALDERÃ³N SV   &t20c gran chaco Malpigiales C&   Bw6  Euphorbiaceae 21Â°39'59.73"S 63Â°37'36.58"W ZL   R w BOLIVIA  -`<;l r. riina  eu y arbol 15 m, 38.9 cm dap; corteza externa cafe oscuro, interna amarillo, latex ro9jizo; botones florales, planta alcoholizada  
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton pilulifer", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "pilulifer", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "M. Cornejo, P. Gismondi & C. Calder\u00c3\u00b3n", "recordNumber": "435", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Arbol 15 m, 38.9 cm dap; corteza externa cafe oscuro, interna amarillo, latex rojizo; botones florales, Planta alcoholizada", "associatedTaxa": "", "country": "Bolivia", "stateProvince": "", "county": "Gran Chaco", "municipality": "", "locality": "Serrania del Aguarague, Sanandita, entre los pozos 19 y 22", "decimalLatitude": "-21.6665917", "decimalLongitude": "-63.6268278", "verbatimCoordinates": "21\u00c2\u00b039'59.73\"S 63\u00c2\u00b037'36.58\"W", "minimumElevationInMeters": "1276", "maximumElevationInMeters": ""}