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": ""}
   `;z 1971-07-25  7k lr ELEOCHARIS OBTUSA  ), #^ Saint Mary's 1397997 I      D.R. WINDLER y.oSv  obtusa PG     z UNITED STATES     across rtj 5 and south of buzzy country store near scotland. +i    (willd.) schult. c$@    n 3631     PR ELEOCHARIS POALES CL v) 
{"catalogNumber": "1397997", "order": "Poales", "family": "", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D.R. Windler", "recordNumber": "3631", "verbatimEventDate": "1971-07-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Saint Mary's", "municipality": "", "locality": "Across Rt 5 and south of Buzzy Country Store near Scotland.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}