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": ""}
1991-06-29 `  carex silicea 7| e(     silicea  8- F  poales H&kr   Unite States TBS     s.n. Bl9   Maine ]ST   |B:f CAREX  _ Alison C. Dibble      1386934 ~  Olney -|  cyperaceae 7O    r[pMs At Eggemoggin Reach, Penobscot Bay, site of historic British Canal (1779), Castine. 
{"catalogNumber": "1386934", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex silicea", "scientificNameAuthorship": "Olney", "genus": "Carex", "subgenus": "", "specificEpithet": "silicea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alison C. Dibble", "recordNumber": "s.n.", "verbatimEventDate": "1991-06-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maine", "county": "", "municipality": "", "locality": "At Eggemoggin Reach, Penobscot Bay, site of historic British Canal (1779), Castine.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}