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": ""}
                  carex ^5  2016-06-09 hh[  CAREX CASTANEA %~    at margin of mixed forest. associates: asclepias syriaca, comptonia peregrina, populus trem)uloides, potentilla simplex, prunus serotina, p. virginiana, pteriium aquilinum, symphyotrichum oolentanginse, toxicodendron radicans.     M[ ANTON A. REZNICEK  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex castanea", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2016-06-09", "habitat": "At margin of mixed forest. Associates: Asclepias syriaca, Comptonia peregrina, Populus tremuloides, Potentilla simplex, Prunus serotina, P. virginiana, Pteridium aquilinum, Symphyotrichum oolentanginse, Toxicodendron radicans.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}