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": ""}
      Px ~  heterophylla   3UK 1161964    F& MALPIGHIALES      2 steep rocky slope, densely wooded w|th shrubs and small trees,     euphorbia G   M.H. Mayfield 6;u    20.1425 &A54  cojumatlã¡n de rã©gules l 
{"catalogNumber": "1161964", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M.H. Mayfield", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Steep rocky slope, densely wooded with shrubs and small trees,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Cojumatl\u00c3\u00a1n de R\u00c3\u00a9gules", "municipality": "", "locality": "", "decimalLatitude": "20.1425", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}