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": ""}
Puerta de La Caja; 3 mi W of AutlÃ¡n !5C     kb 1949-07-11 grisea  hQnW  EUPHORBIA b   -104.389 J ;G   3od DRY ARROYO  975 ^7[C  1157840 lbK     C 19.7325  I EUPHORBIA GRISEA autlã¡n de navarro 5l<s     T mexico   1657 _K    E^ Malpighiales  5R Engelm. ex Boiss.  robert l. wilbur ! 
{"catalogNumber": "1157840", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia grisea", "scientificNameAuthorship": "Engelm. ex Boiss.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "grisea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Wilbur", "recordNumber": "1657", "verbatimEventDate": "1949-07-11", "habitat": "Dry arroyo", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "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": ""}