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": ""}
    Carex muhl. ex willd. x  ONTARIO t*    p 48â° 44.29' n 94â° 37.1' w    RAINY RIVER G        vHH7 carex stipa7a   c  Atwood township, N shore 4.3 km NW of Rainy River Post Office, along Rainy River.   1387703 wE     stipata `     
{"catalogNumber": "1387703", "order": "", "family": "", "scientificName": "Carex stipata", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "stipata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Rainy River", "municipality": "", "locality": "Atwood township, N shore 4.3 km NW of Rainy River Post Office, along Rainy River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "48\u00c2\u00b0 44.29' N 94\u00c2\u00b0 37.1' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}