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": ""}
 ?7O along old railroad     az L.    6 .d< 1307463  ROERT W. SMITH yzd         b6# pan cum S. OF LABERDEE RD., E. OF RAISIN CENTER HWY., RAISIN TWP. U 8p    united states 7T_d   lenawee MI#kr     1985-0 8-04 VBb 
{"catalogNumber": "1307463", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1985-08-04", "habitat": "along old railroad", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "s. of Laberdee Rd., e. of Raisin Center Hwy., Raisin Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}