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": ""}
nw. of railroad & M-52, s. of Carleton Rd., Madison Twp. T7SR3ES22, se qtr of ne qtr bX     & united states   SQUARROSUS ?rZ         YJ! cyperaceae lenawee y7k   41.855029 O2+9    1998-08-17 O%    6^a 1328581  oJ -84.048315   , 4196 edge of pond mA  L. @n   
{"catalogNumber": "1328581", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "squarrosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4196", "verbatimEventDate": "1998-08-17", "habitat": "edge of pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "nw. of railroad & M-52, s. of Carleton Rd., Madison Twp. T7SR3ES22, se qtr of ne qtr", "decimalLatitude": "41.855029", "decimalLongitude": "-84.048315", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}