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": ""}
     carl o. grassl ,C !    s& L.  $Nla dioscorea       united states _PX  1933-08-31 #0R   [wisconsin: miscauno island in the menominee river is actually in mairinett%e co., wisconscin, not menominee co., michigan as on the label.] +0     6  -87.83333  ! dioscoreaceae   J 1340003   VILLOSA   Ra 
{"catalogNumber": "1340003", "order": "", "family": "Dioscoreaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "villosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "", "verbatimEventDate": "1933-08-31", "habitat": "", "occurrenceRemarks": "[WISCONSIN: Miscauno Island in the Menominee River is actually in Marinette Co., Wisconsin, not Menominee Co., Michigan as on the label.]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-87.83333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}