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": ""}
cambridge f,P    1g401926 M   &@6 464   V Massachusetts   ]L9&! FORMING CLUMPS 1FT IN DAM, SWAMP NEAR GLACIALIS POND   p  HARLEY H. BARTLETT   /4sF 1906s-07-01 scirpus atrocinctus o#  Fernald  CM   5 atrocinctus  united states ;T    middlesex &iyV    cg Scirpus cyperaceae 2H   poales  N   
{"catalogNumber": "1401926", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus atrocinctus", "scientificNameAuthorship": "Fernald", "genus": "Scirpus", "subgenus": "", "specificEpithet": "atrocinctus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley H. Bartlett", "recordNumber": "464", "verbatimEventDate": "1906-07-01", "habitat": "Forming clumps 1ft in dam, swamp near glacialis pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Cambridge", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}