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": ""}
 ELYUS REPENS  R7     1907-07-01 r^R  United States @5   Poales SHke    r ELYMUS    IL1INOIS .N%  (L.) GOULD YGLd~z   R6 FRANK C. 6ATES    ^de   repens    lnK 1412335  contact um? herbarium !a6   F 8c poaceae  
{"catalogNumber": "1412335", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus repens", "scientificNameAuthorship": "(L.) Gould", "genus": "Elymus", "subgenus": "", "specificEpithet": "repens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates", "recordNumber": "", "verbatimEventDate": "1907-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}