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": ""}
    JASON R. SWALLEN    GRASS ^o  Ichnanthus pallens       w* PALLENS   18.444482 5+@ u    MEXICO      ICHNANTHUS ]!     En- poaceae  1943-10-07 x     (sw.) munro ex benth. R 
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Ichnanthus pallens", "scientificNameAuthorship": "(Sw.) Munro ex Benth.", "genus": "Ichnanthus", "subgenus": "", "specificEpithet": "pallens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jason R. Swallen", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1943-10-07", "habitat": "grass", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "18.444482", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}