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": ""}
 N -86.273621 Frequent in low round along Black River. (7|   van buren PHbD)      saururus cernuus /d    :G4 L.   Dk uC michigan  ;0 L 42.402916  s.n. &A pl   1910-07-06 Uk   vd  cernuus  United States _   south haven, mich. <     )FP PIPERALES 
{"catalogNumber": "", "order": "Piperales", "family": "", "scientificName": "Saururus cernuus", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "cernuus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1910-07-06", "habitat": "Frequent in low ground along Black River.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "South Haven, Mich.", "decimalLatitude": "42.402916", "decimalLongitude": "-86.273621", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}