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": ""}
  Betulaceae ] ]    "occa5ional." K  Michigan %u    Lowest portion of slope of river valley, within 20-30 feet of river. Slope is north of Pine River; Elev. 716'; 60 % shaded. Associates: Sassafras, Quercus alba, Q velutina, Panicum latifolium, Pteridium aquilinum, Ostrya, Koeleria macrantha n *3  virginiana &y=U   0.9 MI. S OF S. RM. 55 AND 2.2 MI. E. OF SNYDER ROAD; NORMAN TWP., EXTREME SOUTHEASTERN 1/4 OF SW 1/4 OF SE 1/4 SEC. 16. MANISTEE NATIONAL FOREST aRV   >, TIMOTHY L. WALTERS (mill.) k. koch i9   ;u@ 44.210256      4Pe 1996-08-02   Ostrya S6_    
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "(Mill.) K. Koch", "genus": "Ostrya", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters", "recordNumber": "", "verbatimEventDate": "1996-08-02", "habitat": "Lowest portion of slope of river valley, within 20-30 feet of river. Slope is north of Pine River; Elev. 716'; 60 % shaded. Associates: Sassafras, Quercus alba, Q velutina, Panicum latifolium, Pteridium aquilinum, Ostrya, Koeleria macrantha", "occurrenceRemarks": "\"Occasional.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "0.9 mi. s of S. R. 55 and 2.2 mi. e. of Snyder Road; Norman Twp., extreme southeastern 1/4 of SW 1/4 of SE 1/4 Sec. 16. Manistee National Forest", "decimalLatitude": "44.210256", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}