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": ""}
 nW 1970-08-29   anton a. reznicek k    k Y  1484457    dL&NV SANDY PRAIRIE REMNANT WITH SOLIDAGO RIGIDA, SOLIDAGO SPP., ANDROPOGON SCOPARIUS, A. GERARDII, LIATRIS SPP., EGT.  michigan kZw    GARY J. PIERCE ) kgp  1694 ;gF       van buren vJgQU    5 @ SCHIZACHYRIUM  ;~B -85.945793     w; w! cespitose. abundant.
{"catalogNumber": "1484457", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Schizachyrium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Gary J. Pierce", "recordNumber": "1694", "verbatimEventDate": "1970-08-29", "habitat": "Sandy prairie remnant with Solidago rigida, Solidago spp., Andropogon scoparius, A. gerardii, Liatris spp., ect.", "occurrenceRemarks": "Cespitose. Abundant.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.945793", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}