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": ""}
    RUBIACEAE   6?bUB UNITED STATES 796 ?D      concinnum     V1td 1243721  galium concinnum y r5   w! lenawee    ` Gentianales MICHIGAN Y!:   ROBERT W. SMITH X   @< torr. & a. gray    V WOODED ROADSIDE BANK 1985-06-20 4(   along e. side of Whig Hwy.; n. of Carlton Rd., Madion Twp. R3E, T7S, S18, sw1/4 of sw1/4 4p K    
{"catalogNumber": "1243721", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Galium concinnum", "scientificNameAuthorship": "Torr. & A. Gray", "genus": "", "subgenus": "", "specificEpithet": "concinnum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "796", "verbatimEventDate": "1985-06-20", "habitat": "wooded roadside bank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "along e. side of Whig Hwy.; n. of Carlton Rd., Madison Twp. R3E, T7S, S18, sw1/4 of sw1/4", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}