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": ""}
 ?N96 VAR.  :pk 1991-08-14 ECHINOCHLOA GZ   S NIPISSING  + POALES   % Wiegano      microstachya    =(C CANADA   d 1411660  CONTACT UM HERBARIUM  $u  ECHINOCHLOA MURICATA VAR. MICROSTACHYA l^    8665 j MLv   WILLIAM J. CRINS 3:IB  muricata r   Iu ONTARIO  poaceae +@s=   
{"catalogNumber": "1411660", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa muricata var. microstachya", "scientificNameAuthorship": "Wiegand", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "muricata", "verbatimTaxonRank": "var.", "infraspecificEpithet": "microstachya", "identifiedBy": "", "recordedBy": "William J. Crins", "recordNumber": "8665", "verbatimEventDate": "1991-08-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Nipissing", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}