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": ""}
  C$ 42.8821389   Ay  1480681      Ld t poaceae Port Sheldon Natural Area Park; 6 miles N of Holland; 2000'a E of 160th Ave., 1000' S of Port Sheldon Rd. R  SPRETUM     Dichanthelium *Y=T      *Lm William S. Martinus 609  pyd   2014-07-27 P !*  -86.1719722 l.[     anton ag. reznicek       @  uncommon  r  a In sand on open pond shore. 
{"catalogNumber": "1480681", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "spretum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William S. Martinus", "recordNumber": "609", "verbatimEventDate": "2014-07-27", "habitat": "In sand on open pond shore.", "occurrenceRemarks": "Uncommon", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Port Sheldon Natural Area Park; 6 miles N of Holland; 2000' E of 160th Ave., 1000' S of Port Sheldon Rd.", "decimalLatitude": "42.8821389", "decimalLongitude": "-86.1719722", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}