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": ""}
  agrostis gigantea JkM,=  at edge of thicket  $`  W. OF BALDWIN HWY., N. OF CADMUS RD., MADISON TWP. T6SR3ES10, NW QTR OF SW QTR i   poaceae Yx<$%  4|.87974 2pi>5       N Michigan      4V* roth   Y UNITED STATES  q 3[ AGROSTIS robert w. smith .   z^]Lt 1997-07-15   GIGANTEA  PV   
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Agrostis gigantea", "scientificNameAuthorship": "Roth", "genus": "Agrostis", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1997-07-15", "habitat": "at edge of thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "w. of Baldwin Hwy., n. of Cadmus Rd., Madison Twp. T6SR3ES10, nw qtr of sw qtr", "decimalLatitude": "41.87974", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}