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": ""}
   44.166667 =`  Near Schmidt Lake in Greenock Swamp, Greenock Tp.      Carex V   6 s.n.  5]L poales Joseph W. Johnson D  1987-07-04  Alkq    g5n  -81.333333 retrorsa s`x v   ^ 44Â° 10' N 81Â° 20' W  1384974 /e      J c1 Bruce CAREX RETRORSA P6+  ONTARIO *#7s   Schwein. 4-  
{"catalogNumber": "1384974", "order": "Poales", "family": "", "scientificName": "Carex retrorsa", "scientificNameAuthorship": "Schwein.", "genus": "Carex", "subgenus": "", "specificEpithet": "retrorsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph W. Johnson", "recordNumber": "s.n.", "verbatimEventDate": "1987-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Bruce", "municipality": "", "locality": "Near Schmidt Lake in Greenock Swamp, Greenock Tp.", "decimalLatitude": "44.166667", "decimalLongitude": "-81.333333", "verbatimCoordinates": "44\u00c2\u00b0 10' N 81\u00c2\u00b0 20' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}