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": ""}
    E _!u Edward G. Vos s   NgCP -87.07236     Helianthus    %E+ l.   michigan ?-DqB       just N of Brampton, on W side of Railroad (nar center W1/2 sec. 21, T41N, R22M), @   asterales ;  HELIANTHUS GIGANTEUS 4F%z   1254091 s1  open edge of aspen-bracken woodland with silphium terebinthinaceum. 2   H%<h/ 1982-08-23 
{"catalogNumber": "1254091", "order": "Asterales", "family": "", "scientificName": "Helianthus giganteus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1982-08-23", "habitat": "open edge of aspen-bracken woodland with Silphium terebinthinaceum.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "just N of Brampton, on W side of Railroad (near center W1/2 sec. 21, T41N, R22W),", "decimalLatitude": "", "decimalLongitude": "-87.07236", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}