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": ""}
     1971-07-15   (cav.) willd. u     q,e CAMPANULATUS   Mexico 3+q    168B n^@  OAXACA aaQ    DXD 1292801  contact um herbarium q  enstemon campanulatus Phu   G lamiales      p nz1 Ellen Messer
{"catalogNumber": "1292801", "order": "Lamiales", "family": "", "scientificName": "Penstemon campanulatus", "scientificNameAuthorship": "(Cav.) Willd.", "genus": "", "subgenus": "", "specificEpithet": "campanulatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ellen Messer", "recordNumber": "168b", "verbatimEventDate": "1971-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}