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": ""}
    a 1987-05-21   h Asterales michigan !   HIERACIUM rx            dumort. y [g    asteraceae C3    [QCOB hieracium caespitosum 2139 `B38&     _  s. of Treat Hwy. at Shady Lane Dr., Madison Twp. T7S, R3E, S25, se1/4 ofne1/4 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Hieracium caespitosum", "scientificNameAuthorship": "Dumort.", "genus": "Hieracium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2139", "verbatimEventDate": "1987-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "s. of Treat Hwy. at Shady Lane Dr., Madison Twp. T7S, R3E, S25, se1/4 of ne1/4", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}