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": ""}
   (Walter) Britton, Sterns & Poggenb. 0    Near entrance to Dertine's brick yards, Washington Avenue, Telford s 1    <x[% agrostis hyemalis     E)k ( S.N.     POACEAE  UNITED STATES Lf4C    q$n WALTER M. BUTLER    AG_ROSTIS  $~     yiu 1921-05-30 hyemalis VX Q      1403=712
{"catalogNumber": "1403712", "order": "", "family": "Poaceae", "scientificName": "Agrostis hyemalis", "scientificNameAuthorship": "(Walter) Britton, Sterns & Poggenb.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "hyemalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter M. Butler", "recordNumber": "s.n.", "verbatimEventDate": "1921-05-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Near entrance to Dertine's brick yards, Washington Avenue, Telford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}