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": ""}
 F  shrub 4m. malpighiales t    WASHTENAW l_>  Sylvia M. Taylor NX[:   (MCLAUGHLIN TRACT) HORNER WOODS: [ANN ARBOR TOWNSHIP] $ ?    e) Salix  J6L6 salicaceae  qCp nutt.     _-T SALIX EXIGUA      1221666 v8     42.3238 u<   exigua a 
{"catalogNumber": "1221666", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Sylvia M. Taylor", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Shrub 4M.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "(McLaughlin tract) Horner Woods: [Ann Arbor Township]", "decimalLatitude": "42.3238", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}