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": ""}
m-7742 qS   PIPTOCHAETIUM ep:wI   Xe4 1981-09-06   ?i6e2 virescens POACEAE 2       CONTACT UM HERBARIUM      ^ piptochaetium viresens var. arsenii   Aa R var.  1129158 c)     UW (hack.) beetle poales       Alan A. Beetle !#A 
{"catalogNumber": "1129158", "order": "Poales", "family": "Poaceae", "scientificName": "Piptochaetium virescens var. arsenii", "scientificNameAuthorship": "(Hack.) Beetle", "genus": "Piptochaetium", "subgenus": "", "specificEpithet": "virescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alan A. Beetle", "recordNumber": "M-7742", "verbatimEventDate": "1981-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}