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": ""}
  euphorbia xanti x  6457 GUs  baja california +Kaq   MEXICO 7D    gD:; engelm. ex boiss. Ensenada viS~m   D 28.92658     1163424 `    Malpighiales bl     -114.1547 oBF_s  forrest shreve &I N   (9$ M xanti  
{"catalogNumber": "1163424", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia xanti", "scientificNameAuthorship": "Engelm. ex Boiss.", "genus": "", "subgenus": "", "specificEpithet": "xanti", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Forrest Shreve", "recordNumber": "6457", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Baja California", "county": "Ensenada", "municipality": "", "locality": "", "decimalLatitude": "28.92658", "decimalLongitude": "-114.1547", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}