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": ""}
   3 walter n. koelz    poales  rsXE poaceae       ^ Iran   KV melica jacquemontii subsp. canescens canescens >1a   melica r=O~       n DRY SLOPE    2<E 1829   W,!G jacquemontii 17765 M  
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Melica jacquemontii subsp. canescens", "scientificNameAuthorship": "", "genus": "Melica", "subgenus": "", "specificEpithet": "jacquemontii", "verbatimTaxonRank": "", "infraspecificEpithet": "canescens", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17765", "verbatimEventDate": "", "habitat": "Dry slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}