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": ""}
    w7& 1934-07-23   castilleja 41,t   > 290883    8n a. gray       %| San Luis Potosi    17506 p     0H orobanchaceae     ^F(` lanata   E M. Egger
{"catalogNumber": "1290883", "order": "", "family": "Orobanchaceae", "scientificName": "", "scientificNameAuthorship": "A. Gray", "genus": "Castilleja", "subgenus": "", "specificEpithet": "lanata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Egger", "recordedBy": "", "recordNumber": "17506", "verbatimEventDate": "1934-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}