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": ""}
     _pj leptoclados      1704187 M ~    NOTES: VOUCHER FOR CONMUNITY ECOLOGY RESEARCH c$!Dj  1990-11-20 kh   25&8  poaceae   CONTACT UM HERBARIUM !c     FSwi no data  ` nees Bromus 2wuV    poales h]   
{"catalogNumber": "1704187", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Nees", "genus": "Bromus", "subgenus": "", "specificEpithet": "leptoclados", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1990-11-20", "habitat": "Notes: Voucher for community ecology research", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}