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": ""}
     w > 0 united state$s MARGIN OF WILLARD'S BROOK, ASHBY. I    j,s~ torta      Ww ^C plantae exsiccatae grayanae [anonymous,  pl. exs. grayan.], 1 - 1500 or more, anonymous, exs #: 338  j_6` Fayette F. Forbes        Mh: < carex     1389781 ^d&n  
{"catalogNumber": "1389781", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "torta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fayette F. Forbes", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Plantae exsiccatae Grayanae [Anonymous, Pl. Exs. Grayan.], 1 - 1500 or more, Anonymous, exs #: 338", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Margin of Willard's Brook, Ashby.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}