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": ""}
 rottb. a      m2 POALES   kxc 1394131   G` 1951-10-07     Q North Carlina POLYSTACHYOS S/   5595 75Hp     `q 1/2 mi n of ferry on cape fear r, n of tarheel.   ii7 Cyperus polystaxchyos    t 1 united states cyperus v@B     mG Cyperaceae William B. Fox @ 
{"catalogNumber": "1394131", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus polystachyos", "scientificNameAuthorship": "Rottb.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "polystachyos", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William B. Fox", "recordNumber": "5595", "verbatimEventDate": "1951-10-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "", "municipality": "", "locality": "1/2 mi N of ferry on Cape Fear R, N of Tarheel.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}