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": ""}
TE2NUE 26Rf7  washtenaw c iF|  MICHX. n  Y      < s.n.   1918-08-04 Q4    michigan <9  United States ug   wQmJ 1469672 POLYGONACEAE )_1  Polygonum 3L         ?7 Knapp Farm, Pittsfield CTwp. Caryophyllales :c  branson a. walpole e&   EPV Polygonum tenue
{"catalogNumber": "1469672", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum tenue", "scientificNameAuthorship": "Michx.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "tenue", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Branson A. Walpole", "recordNumber": "s.n.", "verbatimEventDate": "1918-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Knapp Farm, Pittsfield Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}