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": ""}
 1951-09-04 z`]   rn Q Meadow   x=3Z^ mawryngkneng   LzR ophiuros megaphyllus Meghalaya  $f   EAST KHASI HILLS NO ?i     J 4 Walter N. Koelz     c7- ` 1488235 megaphyllus     J?  28345 Stapf Kex Haines nO    P poales  India  B  POACEAE e Q   BQ   Ophiuros 
{"catalogNumber": "1488235", "order": "Poales", "family": "Poaceae", "scientificName": "Ophiuros megaphyllus", "scientificNameAuthorship": "Stapf ex Haines", "genus": "Ophiuros", "subgenus": "", "specificEpithet": "megaphyllus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "28345", "verbatimEventDate": "1951-09-04", "habitat": "Meadow", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawryngkneng", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}