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": ""}
United States D`t   #V7 Asteraceae     zF ASTERALES  ( ambrosia psilostachya    near mouth of Muskegon River, W 1/2 sec. 17, T10N, R16W. V0      q  DC.  o -86.2439 AMBROSI4 #pr>h     +r<k 1994-10-06      16490 w   -) Locally common along railroad through marsh
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Ambrosia psilostachya", "scientificNameAuthorship": "DC.", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16490", "verbatimEventDate": "1994-10-06", "habitat": "Locally common along railroad through marsh", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "near mouth of Muskegon River, W 1/2 sec. 17, T10N, R16W.", "decimalLatitude": "", "decimalLongitude": "-86.2439", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}