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": ""}
1441581 sa   1M FASCICULATUM  ACUMINATUM z  ONTARIO Wh9q?        DICHANTHELIUM dichanthelium acuminatum var. fasciculatum ^l         1814 2     <FG. poales   var. @%r~   4 Carl J. Rothfels  
{"catalogNumber": "1441581", "order": "Poales", "family": "", "scientificName": "Dichanthelium acuminatum var. fasciculatum", "scientificNameAuthorship": "", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "acuminatum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "fasciculatum", "identifiedBy": "", "recordedBy": "Carl J. Rothfels", "recordNumber": "1814", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}