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": ""}
engelm. ex boiss. uo=   malpighiales 8X9V.  975 M*7   R4 1157840    i4 a AUTLÃ¡N DE NAUARRO  Robert L. Wilbur f tfN   k -104.389  19.7325 ?y#~Y    p MEXICO    W 1657  b=G_ EUPHORBIACEAE Euphorbia grisea !#]   Rbh  1949-07-11 Puerta de L4 Caja; 3 mi W of AutlÃ¡n oi ?  jalisco |~    euphorbia  /(1  DRY ARROYO @d 
{"catalogNumber": "1157840", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia grisea", "scientificNameAuthorship": "Engelm. ex Boiss.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Wilbur", "recordNumber": "1657", "verbatimEventDate": "1949-07-11", "habitat": "Dry arroyo", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Jalisco", "county": "Autl\u00c3\u00a1n de Navarro", "municipality": "", "locality": "Puerta de La Caja; 3 mi W of Autl\u00c3\u00a1n", "decimalLatitude": "19.7325", "decimalLongitude": "-104.389", "verbatimCoordinates": "", "minimumElevationInMeters": "975", "maximumElevationInMeters": ""}