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": ""}
 UNITED STATES -    x; SCIRPUS PENDULUS   POALE ^nxN   KtT TRS: T11S R3W SEC 21   LOY R. PHILLIPPE v9    MUHL. 5i^5d  LA RUE SWAMP vHHZX        7Gr  Illinois    9z SCIRPUS   : 1402276  
{"catalogNumber": "1402276", "order": "Poales", "family": "", "scientificName": "Scirpus pendulus", "scientificNameAuthorship": "Muhl.", "genus": "Scirpus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Loy R. Phillippe", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "La Rue swamp", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T11S R3W sec 21", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}