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": ""}
1970-08-03 YV!r   NATANS xdgn      7 east of outlet of Black Mallard River, sec. 1, T37N, R2E 45.53564 %   SPARGANIUM /VY-l   Typhaceae Eq    x POALES 1269549 rCGV   .bj Michigan    l. !7o   BPV? PRESQUE ISLE james s. pringle v6?  sparganium natans GQS/    xp>[ 1226    Interdunal Pool ; 
{"catalogNumber": "1269549", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium natans", "scientificNameAuthorship": "L.", "genus": "Sparganium", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James S. Pringle", "recordNumber": "1226", "verbatimEventDate": "1970-08-03", "habitat": "Interdunal Pool", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Presque Isle", "municipality": "", "locality": "east of outlet of Black Mallard River, sec. 1, T37N, R2E", "decimalLatitude": "45.53564", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}