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": ""}
 1307168 mcu    K Ribes hirtellum  jvN > Contact UM Herbarium   Canada k A    ^. RIBES  ~ i0 SAXIFRAGALES  p Z  Ontario  ? HIRTELLUM   1972-06-18 y0      OdL Grossulariaceae      273 r.s.w. bobbette  C?a 1700  `_` michx.
{"catalogNumber": "1307168", "order": "Saxifragales", "family": "Grossulariaceae", "scientificName": "Ribes hirtellum", "scientificNameAuthorship": "Michx.", "genus": "Ribes", "subgenus": "", "specificEpithet": "hirtellum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.S.W. Bobbette", "recordNumber": "1700", "verbatimEventDate": "1972-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}