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": ""}
1971-08-18 W M+  SMITHII IN;$,   K K(J (PORTER EX A. GRAY) VASEY   sz CE edward g. voss  United States $>:   13723 vSFs     _ POALES  zK MICHIGAN ONTONAGON @n!   MELICA [VDD   near Lake Superior between Lone Rock and Buckshot Landing, Porcupine Mountains State Park.  o    melica smithii ^jcL     (Jd EDWARD G. VOSS  D POACEAE   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Melica smithii", "scientificNameAuthorship": "(Porter ex A. Gray) Vasey", "genus": "Melica", "subgenus": "", "specificEpithet": "smithii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Edward G. Voss", "recordNumber": "13723", "verbatimEventDate": "1971-08-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "near Lake Superior between Lone Rock and Buckshot Landing, Porcupine Mountains State Park.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}