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": ""}
 7 1223568 MYRIOPHYLLUM VERTICILLATUM 2/i    1948-07-16 :  8-   hQ, saxifragales  sawmill bay, ne tip of leith peninsula, great bear lake, r.c.a.f. camp, 2 1/2 mi. nw of T[     W C^/ HANSFORD T. SHACKLETTE   3080 N3Ek  VERTICILLATUM a k     +  CANADA  A Northwest Territories  |^t l.   Myriophyllum qJ    Iy Haloragaceae  
{"catalogNumber": "1223568", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "Myriophyllum verticillatum", "scientificNameAuthorship": "L.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "verticillatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "3080", "verbatimEventDate": "1948-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "", "municipality": "", "locality": "Sawmill Bay, NE tip of Leith Peninsula, Great Bear Lake, R.C.A.F. Camp, 2 1/2 mi. NW of", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}