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": ""}
   l. marg. shoreline w of 1st street in camp grayling cantonement area (4.5 mi sw of grayling). t26n r04w, sec. 22 ne1/4 sw1/4 44.63084 U._          obtusifolius rA   yl,f "assoc.: alnus rugosa, acer rubrum, phalaris arund., nasturium off., rumex cris., mentha arv"   Tc!S9 crawqford   RUMEX -OBTUSIFOLIUS D  -84.78149 >d  Northern Wet Meadow; along lake shoreline, saturated muck, shade. Occasional.  P+1^  UNITED STATES  3   caryophyllales w>Fk   L. CUX=   $K=0 1993-06-28  
{"catalogNumber": "", "order": "Caryophyllales", "family": "", "scientificName": "Rumex obtusifolius", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "obtusifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1993-06-28", "habitat": "Northern Wet Meadow; along lake shoreline, saturated muck, shade. Occasional.", "occurrenceRemarks": "\"Assoc.: Alnus rugosa, Acer rubrum, Phalaris arund., Nasturtium off., Rumex cris., Mentha arv\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Crawford", "municipality": "", "locality": "L. Marg. shoreline W of 1st street in Camp Grayling cantonement area (4.5 mi SW of Grayling). T26N R04W, Sec. 22 NE1/4 SW1/4", "decimalLatitude": "44.63084", "decimalLongitude": "-84.78149", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}