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": ""}
   1975-11-21 ,       I benth.   1290490 ?P]   CALCEOLARIACEAE _APo   v%Zs ALEX LASSEIGNE  v.7 Mexico   Q!K mexicana   l8[Tl OAXACA  e!^k LAMIALES  D ,-g 4957  u:% U. Nolau CALCEOLARIA Yi    Dz calceolaria mexicana  CONTACT UM HERBARIUM s6|  
{"catalogNumber": "1290490", "order": "Lamiales", "family": "Calceolariaceae", "scientificName": "Calceolaria mexicana", "scientificNameAuthorship": "Benth.", "genus": "Calceolaria", "subgenus": "", "specificEpithet": "mexicana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "U. Molau", "recordedBy": "Alex Lasseigne", "recordNumber": "4957", "verbatimEventDate": "1975-11-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}