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": ""}
 S 1968-04-21   ZG (MICHX.) SALISB.    MICHIGAN   United States 4    :Z^ 4 -84.115 FREDERICK W. CASE, JR., ROBERTA B.* CASE &DAVI CASE 2   trillium a/    43.18472 Ks:s     5P@s  melanthiaceae    w s.n.   8% LILIAuLES chesaning twp. ~0>Z   TRILLIUM GRANDIFLORUM 4G  GRANDIFL0RUM nMX   je[eX 1339951  ]y  SAGINAW 
{"catalogNumber": "1339951", "order": "Liliales", "family": "Melanthiaceae", "scientificName": "Trillium grandiflorum", "scientificNameAuthorship": "(Michx.) Salisb.", "genus": "Trillium", "subgenus": "", "specificEpithet": "grandiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick W. Case, Jr., Roberta B. Case & David Case", "recordNumber": "s.n.", "verbatimEventDate": "1968-04-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Chesaning Twp.", "decimalLatitude": "43.18472", "decimalLongitude": "-84.115", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}