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": ""}
 N ( contact um herbarium  ^nz FORREST SHREVE     ? 1937-07-21  yK  8 MEXICO     6 Penstemon ambiguus subsp. laevissimus   Penstemon eT u   7920 @hg  ambiguus  `   o:6MV laeuissimus  chihuahua  (K[3   =1 F.S. CROSSWHITE  #/ SL lamiales     
{"catalogNumber": "", "order": "Lamiales", "family": "", "scientificName": "Penstemon ambiguus subsp. laevissimus", "scientificNameAuthorship": "", "genus": "Penstemon", "subgenus": "", "specificEpithet": "ambiguus", "verbatimTaxonRank": "", "infraspecificEpithet": "laevissimus", "identifiedBy": "F.S. Crosswhite", "recordedBy": "Forrest Shreve", "recordNumber": "7920", "verbatimEventDate": "1937-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}