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": ""}
  r England 1853-08 yjVf   ? AGRESTIS    contact um herbarium wb>C        6Zc lonoon  2mB/< United Kingdom  gu^[ ]poaceae   1703115 1h&p$      m L.   uv 1282  A1OPECURUS AGRESTIS %    bGh John T. Syme
{"catalogNumber": "1703115", "order": "", "family": "Poaceae", "scientificName": "Alopecurus agrestis", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "agrestis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John T. Syme", "recordNumber": "1282", "verbatimEventDate": "1853-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United Kingdom", "stateProvince": "England", "county": "London", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}