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": ""}
   O3 1452102     C. Bay, Bent Fredskild, S. Hanfgarn & P. F. MÃ¸ller `  Carex rariflora E| L      ^w=Lh G.B.U. 78-43      rariflora NcY        :QD (Wahlenb.) Sm.   
{"catalogNumber": "1452102", "order": "", "family": "", "scientificName": "Carex rariflora", "scientificNameAuthorship": "(Wahlenb.) Sm.", "genus": "", "subgenus": "", "specificEpithet": "rariflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Bay, Bent Fredskild, S. Hanfgarn & P. F. M\u00c3\u00b8ller", "recordNumber": "G.B.U. 78-43", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}