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 oligosperma Z 4k   Cyperaceae         PJ f oligosperma  -B$ UNITED STATES  46.52729 ZoE+~     g L Poales   Gvc=/ Michx.     -86.355456 g<T    r 1326088    6 MICHIGAN 
{"catalogNumber": "1326088", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex oligosperma", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "oligosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.52729", "decimalLongitude": "-86.355456", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}