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": ""}
 4ER*c POACEAE   1420686 ~dS/x       z^wV0 (SM.) BARKWORTH   GEORGE L. AMES   4S   d united states  7 185-07-21  Dx- s Vermont  h%8j racemosum    G East Dorset     $HV s.n. Piptatherum racemosum @C+    Piptatherum 52> 
{"catalogNumber": "1420686", "order": "", "family": "Poaceae", "scientificName": "Piptatherum racemosum", "scientificNameAuthorship": "(Sm.) Barkworth", "genus": "Piptatherum", "subgenus": "", "specificEpithet": "racemosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1857-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "", "municipality": "", "locality": "East Dorset", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}