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": ""}
canada UZtw  1987-06-21 M-@+    AmZ CAREX MURICATA  E muricata   447 a[    1380026 z/GpL      Ontario  SZk  W SIDE OF GRAND R, CITY OF CAMBRIDGE.  2BS  Cyperaceae   5=    MICHAEL J. OLDHAM  D~   [<* POALES  3L l.     z CAREX  ,PW WATERLOO 
{"catalogNumber": "1380026", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex muricata", "scientificNameAuthorship": "L.", "genus": "Carex", "subgenus": "", "specificEpithet": "muricata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "7447", "verbatimEventDate": "1987-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Waterloo", "municipality": "", "locality": "W side of Grand R, City of Cambridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}