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. 016   $ BUCKS   Near entrance to Dertine's brick yards, Washington Avenue, Telford W     1921-05-30 ;  Agrostis [     hyemalis _,V   ,BI; WALTER M. BUTLER    yF 1403712   POACEAE 4Jh       jxI (Walter) Britton, Sterns & Poggenb. Pennsylvania q>k,   ;P> AGROSTIS HYEMALIS  [ UNITED STATES
{"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": "Pennsylvania", "county": "Bucks", "municipality": "", "locality": "Near entrance to Dertine's brick yards, Washington Avenue, Telford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}