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": ""}
    Fg 1650  shady, dry, weedy, sandy with white oak trees. Z6     MICHIGAN &c   POACEAE 0 -B9        > -86.049592   oligosanthes iF/_    )Z<9C GREENWOOD TWP. E SIDE OF 200TH AVE   anton a. reznicek qH   Rtv=r Dichanthelium oligosanthes 
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Dichanthelium oligosanthes", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "oligosanthes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "1650", "verbatimEventDate": "", "habitat": "Shady, dry, weedy, sandy with White Oak trees.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Greenwood Twp. E side of 200th Ave.", "decimalLatitude": "", "decimalLongitude": "-86.049592", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}