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": ""}
   UNITED STATES  w ;l  poaceae 4Lw    winter pond :p2   L  818 alopecurus aequalis  U     SOBOL. )+   ]/V MIDDLESEX  aequalis n DtL    W  Nassachusetts   1404333 GB-  alopecurus G     xF4Z POALES 1907-07-07 u    Harley H. Bartlett V RY) 
{"catalogNumber": "1404333", "order": "Poales", "family": "Poaceae", "scientificName": "Alopecurus aequalis", "scientificNameAuthorship": "Sobol.", "genus": "Alopecurus", "subgenus": "", "specificEpithet": "aequalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley H. Bartlett", "recordNumber": "818", "verbatimEventDate": "1907-07-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Winter Pond", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}