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": ""}
       AGROPYRON PECTNIFORME Co4~    6m ELGIN   dunwich tp, ca. 6km sw of dutton p.o., "dutton swamp" or "dutton marsh", utm 531190 (map 40i/12) (sq 17mt51) N:cx      u+W=& Michael J. Oldham    !MH 6476   jqD 1403257     
{"catalogNumber": "1403257", "order": "", "family": "", "scientificName": "Agropyron pectiniforme", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "6476", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Elgin", "municipality": "", "locality": "Dunwich Tp, ca. 6km SW of Dutton P.O., \"Dutton Swamp\" or \"Dutton Marsh\", UTM 531190 (map 40I/12) (sq 17MT51)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}