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": ""}
  - calhoun         ss.c 1989-07-01 dan j. skean, jr. ]qH3    concinnum +  7orr. & a gray y!     #I GENTIANALES  $of Rich woods with Acer saccharum, A. saccharinum, A. rubrum, Tilia americana, Fagus grandifolia, Quercus spp., Liriodendron tulipifera.     _YtHu "Locally common herb at edge of field near NW entrance. Flowers white."  vZM 1243735   
{"catalogNumber": "1243735", "order": "Gentianales", "family": "", "scientificName": "", "scientificNameAuthorship": "Torr. & A. Gray", "genus": "", "subgenus": "", "specificEpithet": "concinnum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dan J. Skean, Jr.", "recordNumber": "", "verbatimEventDate": "1989-07-01", "habitat": "Rich woods with Acer saccharum, A. saccharinum, A. rubrum, Tilia americana, Fagus grandifolia, Quercus spp., Liriodendron tulipifera.", "occurrenceRemarks": "\"Locally common herb at edge of field near NW entrance. Flowers white.\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Calhoun", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}