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": ""}
  ]% 4  =,F MASSACHUSETTS alnus incana subsp. rugosa   1434840 g  subsp. u|   i2 West Cambridge.  ] alnus  %Mo merritt l. fernald & harley h. bartlett betulaceae 6 r   qx:L RUGOSA  B,X Fagales    c  United States incana _a  5  gravelly banks. FG9     p [TH|S ALNUS INCANA SUBSP. RUGOSA SPECIMEN WITH INACTIVE BARCO:DE NUMBER 1434840 IS ON AM A. INCANA SUBSP. RUGOSA SPECIMEN SHEET WITH ACTIVE BARCODE NUMBER 1434839.] (du roi) r.t. clausen 6z     MIDDLESEX     x,8 B 1906-10-01 
{"catalogNumber": "1434840", "order": "Fagales", "family": "Betulaceae", "scientificName": "Alnus incana subsp. rugosa", "scientificNameAuthorship": "(Du Roi) R.T. Clausen", "genus": "Alnus", "subgenus": "", "specificEpithet": "incana", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "rugosa", "identifiedBy": "", "recordedBy": "Merritt L. Fernald & Harley H. Bartlett", "recordNumber": "4", "verbatimEventDate": "1906-10-01", "habitat": "Gravelly banks.", "occurrenceRemarks": "[This Alnus incana subsp. rugosa specimen with inactive barcode number 1434840 is on an A. incana subsp. rugosa specimen sheet with active barcode number 1434839.]", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "West Cambridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}