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": ""}
TRS: T6S R19W SEC 30 W 1/4 ?[      Om8f Carex          NW CORNER JUNCT. ARK HWY 7 & ARK HWY 390 AT CADDO VALLEY, CA 5 MI N OF ARKADELHIA. JUST N OF I-30 & ARK HWY 7 INTERCHANGE. r        yM$ 1993-05-18    2 anton a. reznicek   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "1993-05-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "NW corner junct. Ark Hwy 7 & Ark Hwy 390 at Caddo Valley, ca 5 mi N of Arkadelphia. Just N of I-30 & Ark Hwy 7 interchange.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T6S R19W sec 30 SW 1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}