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": ""}
2438  hn[      18371 76 h   walter n. koelz Ol73    POACEAE gRt   1488585 >4  Iran z$H    hVTD Wet meadow (HUEDS.) P. BEAV. $R   PRATENSIS 0a  POALES ,  LORESTAN T  schedonorus  c.     GP  1941-06-27   $K SCHEDONORUS PRATENSIS    
{"catalogNumber": "1488585", "order": "Poales", "family": "Poaceae", "scientificName": "Schedonorus pratensis", "scientificNameAuthorship": "(Huds.) P. Beauv.", "genus": "Schedonorus", "subgenus": "", "specificEpithet": "pratensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18371", "verbatimEventDate": "1941-06-27", "habitat": "Wet meadow", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Lorestan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2438", "maximumElevationInMeters": ""}