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": ""}
1938-05-07 %    owJ percy h. gentle  haspan n      Contact UM Herbarium  ~(^    2576 Z a ;   T/qv# Cyperus 1133856 YH  poales 160      L. n     $  CYPERACEAE Cyperus haspan v   HUGH T. O'NEILL Jn  
{"catalogNumber": "1133856", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus haspan", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "haspan", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Hugh T. O'Neill", "recordedBy": "Percy H. Gentle", "recordNumber": "2576", "verbatimEventDate": "1938-05-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}