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": ""}
1994-10-04 c 6!G      United States 2a4   Michigan FT S    -85.34685  +>D-   bZ Polygonum tenue      `2zci polygonum  polygonaceae  C    P Kalamazoo   steven p. grvnd  a  42.32568 Ml  tenue Y)7   |(YK Old field; dry sandy field, full sun. Infrequent. Assoc.:Quercus velutina, Andropogon scop., Aristida purp., Danthonia spic., Lespedeza cap.
{"catalogNumber": "", "order": "", "family": "Polygonaceae", "scientificName": "Polygonum tenue", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "tenue", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steven P. Grund", "recordNumber": "", "verbatimEventDate": "1994-10-04", "habitat": "Old field; dry sandy field, full sun. Infrequent. Assoc.:Quercus velutina, Andropogon scop., Aristida purp., Danthonia spic., Lespedeza cap.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kalamazoo", "municipality": "", "locality": "", "decimalLatitude": "42.32568", "decimalLongitude": "-85.34685", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}