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": ""}
 1844 1^     0om 1489630 ARACEAE %     1[ orontium aquaticum  ea United States  yNV T HIGHTSTOWN   -xz s.n.   aquaticum Nv    l.  =:`p   . =- Mercer    $H Orontium Alismatales wdM<_   C$ New Jersey    o.r. willis Kj 
{"catalogNumber": "1489630", "order": "Alismatales", "family": "Araceae", "scientificName": "Orontium aquaticum", "scientificNameAuthorship": "L.", "genus": "Orontium", "subgenus": "", "specificEpithet": "aquaticum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "O.R. Willis", "recordNumber": "s.n.", "verbatimEventDate": "1844", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Jersey", "county": "Mercer", "municipality": "", "locality": "Hightstown", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}