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": ""}
   o united states   @. symplocarpus   ALISMATALES RER    er(?] EDWARD G. VOSS  1310956  k     araceae A   Sh -85.55037  w9< (L.) SALISB. EX NUTT.     NW1/4NW1/4 SEC. 15, T48N, R10W, CA. 2 MI. SE OF PINE STUMP JUNCTION.  Luce f   %z MICHIGAN   ?VP^ foetidus 16332 x  1993-07-30 x 
{"catalogNumber": "1310956", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "(L.) Salisb. ex Nutt.", "genus": "Symplocarpus", "subgenus": "", "specificEpithet": "foetidus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "16332", "verbatimEventDate": "1993-07-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Luce", "municipality": "", "locality": "NW1/4NW1/4 sec. 15, T48N, R10W, ca. 2 mi. SE of Pine Stump Junction.", "decimalLatitude": "", "decimalLongitude": "-85.55037", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}