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": ""}
   S.N.      digitaria 4P   CANADA N      1411155  $=   josebh w. johnson P      Bruce *HU  DIG|TARIA ISCHAEMUM Vkz    (SCHREB.) SCHREB. EX MUHL. ;E$  poaceae k ?XN    8X ISCHAEMUM ontario NaE d 
{"catalogNumber": "1411155", "order": "", "family": "Poaceae", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "(Schreb.) Schreb. ex Muhl.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph W. Johnson", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Bruce", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}