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": ""}
near nepons3t r. bridge, squantum.  *Z     CYPERUS POLYSTACHYOS !n0   v<^Kt Charles A. Davis  POALES  f    nz POLYSTACHYOS 1911-09-01 UU  ROTTB.    cyperus _y&e>  Massachusetts opb    s.n. Y`J!         1394135 [   $c4 : UNITED STATES  0 CYPERACEAE
{"catalogNumber": "1394135", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus polystachyos", "scientificNameAuthorship": "Rottb.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "polystachyos", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1911-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "", "municipality": "", "locality": "Near Neponset R. Bridge, Squantum.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}