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": ""}
   1943-11-15     / Mexico    M.H. MAYFIELD 8X5pK   Nayarit /     wFt^ HILL OF 1AS PENITAS  Uye EUPHORBIACEAE  P3 l.       ND~ malpighiales    k:A HETEROPHYLLA  
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M.H. Mayfield", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1943-11-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "hill of Las Penitas", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}