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": ""}
2303b F  SM. e,      a5B IN MILLOW THICKET.  SA1IX PETIOLARIS h$A   x8Z] alpena "shrub 12 ft. high" "2303a same plant as 2303b" [one sheet each number] ?0GA   Salix o*Y    ` 1988-05-14      ;  salicceae  z -83.502417  Ah z malpighiales  ?vIa- 1323960  RXb United States    dy Michigan
{"catalogNumber": "1323960", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix petiolaris", "scientificNameAuthorship": "Sm.", "genus": "Salix", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2303b", "verbatimEventDate": "1988-05-14", "habitat": "In willow thicket.", "occurrenceRemarks": "\"Shrub 12 ft. high\" \"2303a same plant as 2303b\" [one sheet each number]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.502417", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}