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": ""}
  aW 1886-02     [This Alnus serruElata specimenE with inactive barcode nuomber 1434844 is on an Alnus serrulata specimen sheet with active barcode number 1434843.] O    Fagales  W   ARKANS4S x    5v_ : CONTACT UM HERBARIUM        6 2619      
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2619", "verbatimEventDate": "1886-02", "habitat": "", "occurrenceRemarks": "[This Alnus serrulata specimen with inactive barcode number 1434844 is on an Alnus serrulata specimen sheet with active barcode number 1434843.]", "associatedTaxa": "", "country": "", "stateProvince": "Arkansas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}