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": ""}
 x Vallisneria americana    ( 1948-07-27  nj alismatales  vU united states  michx. 7 Lce     %  1304716  KV#5s EAST OF CHASSELL     1162    F  charles d. richards     7Iy+h Michigan   8  HYDROCHARITACEAE COMMON IN SHALLOW WATER IN STURGEON SLOUGH  m   AMERICANA QSo    
{"catalogNumber": "1304716", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Vallisneria americana", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "1162", "verbatimEventDate": "1948-07-27", "habitat": "Common in shallow water in Sturgeon Slough", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "east of Chassell", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}