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": ""}
    frank f. gander    .  aristida   purpurea @-`s      o PURPUREA 1405945 R5   B aristida purpurea var. purpurea  ROCKY SLOPES 1Wc   poales bVA  VAR. nSPv   vK3[  Poaceae    smO 7142 San Diego @Weg9  1939-04-02 q~;,S    
{"catalogNumber": "1405945", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. purpurea", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "purpurea", "identifiedBy": "", "recordedBy": "Frank F. Gander", "recordNumber": "7142", "verbatimEventDate": "1939-04-02", "habitat": "Rocky slopes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "San Diego", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}