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": ""}
str|cta =~,     Etju contact um herbarium      ny subsp.      ^RN 1408573        MERRITT L. FERNALD, BAYARD LONG & J.M. FOGG, JR. %~h<G#     D/[9 CALAMAGROSTIMS 1929-08-03 IkR%b  
{"catalogNumber": "1408573", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "stricta", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Merritt L. Fernald, Bayard Long & J.M. Fogg, Jr.", "recordNumber": "", "verbatimEventDate": "1929-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}