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": ""}
exigua Mq3G?  SUMMER HARBOR, SUMMER ISLAND. y&   45.57201 ,j~    beach. Zg  Salix exigua d7:1   UNITED STATES i>_  melvern f. tessene A[Nu    Delta      deM Michigan  W salix 150 [  salicaceae ./     U -86.6366   1316964 r;!S$  nutt. R    _C MALPIGHIALES  1968-08-12 Np9OB  
{"catalogNumber": "1316964", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Melvern F. Tessene", "recordNumber": "150", "verbatimEventDate": "1968-08-12", "habitat": "Beach.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "Summer Harbor, Summer Island.", "decimalLatitude": "45.57201", "decimalLongitude": "-86.6366", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}