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": ""}
United States g    x?Te0 1555667 smith ;A:J     M   @ Chaerophyllum shortii 42271 `L0    dthA 2.4 mi.N Chestnut Mound by Tenn 53    R7t  APIACEAE          V 1971-04-30  shortii _(/T   (torr. & a. qray) bush H   
{"catalogNumber": "1555667", "order": "", "family": "Apiaceae", "scientificName": "Chaerophyllum shortii", "scientificNameAuthorship": "(Torr. & A. Gray) Bush", "genus": "", "subgenus": "", "specificEpithet": "shortii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "42271", "verbatimEventDate": "1971-04-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Smith", "municipality": "", "locality": "2.4 mi. N Chestnut Mound by Tenn 53", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}