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": ""}
     w  42.456686  u ! 1942-08-03 1517712 b  (willd.) schult. ;  -84.005246 3d   dG CYPERACEAE  Eleochars l%c^  livingston B  547 m7b   OBTUSA +8      i michigan   f.n. hamerstrom, jr.     q dwin s. george reserve. grid m-28. Poales Io$  united states 4    qf(9 Marsh. Soil: Wet muck. Associes: Eleocharis smallii, Alisma, Polygonum coccineum, Leersia oryzoides, Carex.
{"catalogNumber": "1517712", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "547", "verbatimEventDate": "1942-08-03", "habitat": "Marsh. Soil: Wet muck. Associes: Eleocharis smallii, Alisma, Polygonum coccineum, Leersia oryzoides, Carex.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Edwin S. George Reserve. Grid M-28.", "decimalLatitude": "42.456686", "decimalLongitude": "-84.005246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}