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": ""}
 p agrostis hyemalis   United States 6    hyemalis sg D   R ]bj Sandy clearing  tennessee ]%y   WT 4.5 mi. s. rockdale and 0.5 mi. e. by staggs road. (alter) Britton, Sterns & Poggenb.  y)r      Robert Kral [dov    w| t Agrostis  Y5]R 499T75   l Q Robert Kral    .w   1973-05-16 1403650 N   
{"catalogNumber": "1403650", "order": "", "family": "", "scientificName": "Agrostis hyemalis", "scientificNameAuthorship": "(Walter) Britton, Sterns & Poggenb.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "hyemalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert Kral", "recordedBy": "Robert Kral", "recordNumber": "49975", "verbatimEventDate": "1973-05-16", "habitat": "Sandy clearing", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "", "municipality": "", "locality": "4.5 mi. s. Rockdale and 0.5 mi. e. by Staggs Road.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}