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  P    EAgu aggregata     frank c. gates, r.r. sleeper HO0I       ditch along wis. cent. rr marshvil   qsj    =<iS Dodge  Ly= 1841 1907-07-17 0a$]     1359947 Jq     mack. &s q  Carex aggregata =+ 
{"catalogNumber": "1359947", "order": "", "family": "", "scientificName": "Carex aggregata", "scientificNameAuthorship": "Mack.", "genus": "Carex", "subgenus": "", "specificEpithet": "aggregata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates, R.R. Sleeper", "recordNumber": "1841", "verbatimEventDate": "1907-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Dodge", "municipality": "", "locality": "Ditch along Wis. Cent. RR Marshvil", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}