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": ""}
 NIVEUS oFn    240  ?Ak    MbB mexico croton * Ip  10 km. al NW de Rancho El Coyote */  1194676        _w Arbusto de 4 m, abundante     =1w e. martã­nez-oteda  x w)& euphorbiaceae E. MARTÃ­NEZ      m dV tamaulipas jacq. i    &C# 1971-12-24 Malpighiales m+`   
{"catalogNumber": "1194676", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Jacq.", "genus": "Croton", "subgenus": "", "specificEpithet": "niveus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Mart\u00c3\u00adnez", "recordedBy": "E. Mart\u00c3\u00adnez-Ojeda", "recordNumber": "240", "verbatimEventDate": "1971-12-24", "habitat": "", "occurrenceRemarks": "Arbusto de 4 m, abundante", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "", "municipality": "", "locality": "10 km. al NW de Rancho El Coyote", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}