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": ""}
    MELALEVCA POALES 2v PERCY H. GENTLE q% `e  cyperaceae z~2BM   ]KMH scleria pterota var. melaleuca  VAR. X        N-T| j.w. kessler  1138051 a;s[4  1938-05-05 H$N]_  2565 U W        PTEROTA P   
{"catalogNumber": "1138051", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scleria pterota var. melaleuca", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "pterota", "verbatimTaxonRank": "var.", "infraspecificEpithet": "melaleuca", "identifiedBy": "J.W. Kessler", "recordedBy": "Percy H. Gentle", "recordNumber": "2565", "verbatimEventDate": "1938-05-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}