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 -87.6877 ^   J f* Low ground     $Vc 1401942    S e.f. shipman     Poales 4t    cook )k  illinois pTI#   atrovirens N        SCIRPUS ?H?  
{"catalogNumber": "1401942", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Scirpus", "subgenus": "", "specificEpithet": "atrovirens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.F. Shipman", "recordNumber": "", "verbatimEventDate": "", "habitat": "Low ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Cook", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-87.6877", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}