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": ""}
  y c8 Engelm.  Valley arroyo @ffAC   ?A euphorbiaceae   Wi Sonora  s^  CI_UDAD OBRGÃ³N;CIUDAD OBREGÃ³N Howard S. Gentry L  MEXICO Rh    yY<; trachysperma  I7r  1158638 -109.938 .m%a  EUPHORBIA TRACHY5PERMA n   NZ  1933-09-29    euphorbia [   266 y]   Smg CAJEME   MALPIGHIALES |$Z  27.4886 |bL6; 
{"catalogNumber": "1158638", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia trachysperma", "scientificNameAuthorship": "Engelm.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "trachysperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "266", "verbatimEventDate": "1933-09-29", "habitat": "Valley arroyo", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "Cajeme", "municipality": "", "locality": "Ciudad Obreg\u00c3\u00b3n; Ciudad Obreg\u00c3\u00b3n", "decimalLatitude": "27.4886", "decimalLongitude": "-109.938", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}