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": ""}
  CONTACT UM HERBARIUM   n_C  1702879 U     sandige hã¼gel *8        pourr. ex lapeyr. rE2Pm        62*  agrostis delicatula     2 DR. O. BUCHTIEN   n3BM 1891-05 poales n  DELICATULA [S+C4  
{"catalogNumber": "1702879", "order": "Poales", "family": "", "scientificName": "Agrostis delicatula", "scientificNameAuthorship": "Pourr. ex Lapeyr.", "genus": "", "subgenus": "", "specificEpithet": "delicatula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dr. O. Buchtien", "recordNumber": "", "verbatimEventDate": "1891-05", "habitat": "Sandige H\u00c3\u00bcgel", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}