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": ""}
  u1 ARTHUR M. CHICKERING  contact um herbarium &oN    128-08-19 @raD(     R MACROSTROBILUS        guanaiensis NPs/+   var. O   2    7]C (k. schum.) maas     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(K. Schum.) Maas", "genus": "", "subgenus": "", "specificEpithet": "guanaiensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "macrostrobilus", "identifiedBy": "", "recordedBy": "Arthur M. Chickering", "recordNumber": "", "verbatimEventDate": "1928-08-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}