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": ""}
    r 1663969    O@+M  Echinocereus   7a0 d.weniger   P, ellen comper Texas SP   ~n`H UNITED STATES  j BREWSTER cactaceae ,cW   O/ x CARYOPHYLLALES  Nqm+ russanthus 61 fn~  /q Wolfgang Blum  growing among rocks, relatively open, near a small wash L  ECHINOCEREUS RUSSANTHUS P  1955-05-25 : V    k chisos mountains (foothill big bend national park  
{"catalogNumber": "1663969", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Echinocereus russanthus", "scientificNameAuthorship": "D.Weniger", "genus": "Echinocereus", "subgenus": "", "specificEpithet": "russanthus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Wolfgang Blum", "recordedBy": "Ellen Comper", "recordNumber": "61", "verbatimEventDate": "1955-05-25", "habitat": "Growing among rocks, relatively open, near a small wash", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Chisos Mountains (foothill Big Bend National Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}