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": ""}
 gordon d. mcpherson ?~X  CONTACT UM HERBARIUM L=     $rCy MEXICO  t madrensies Irving W. Knobloch | an  ipomoea k #F    1954-08-10 j   4. SOLANALES     ;+L 1157    !.16(~ convolvulaceae S.Watson  P!  1299460 1_$     Chihuahua %8!  
{"catalogNumber": "1299460", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "S.Watson", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "madrensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "Irving W. Knobloch", "recordNumber": "1157", "verbatimEventDate": "1954-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}