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": ""}
L. 7    27351 U         xG1D 38Â°07'30''N 90Â°40'30''W peter h. raven N   5 panicum -90.675 L>    U# 7$ poales  ^]  POACEAE  1#| 2 irgatu  ^ F-A 183    6.5 mi (1O.5 km) W of DeSot. T39N, R3E, Sec. 11 V    & 1986-08-30  nited states gTh  Jefferson 3I92 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter H. Raven", "recordNumber": "27351", "verbatimEventDate": "1986-08-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Jefferson", "municipality": "", "locality": "6.5 mi (10.5 km) W of DeSoto. T39N, R3E, Sec. 11", "decimalLatitude": "", "decimalLongitude": "-90.675", "verbatimCoordinates": "38\u00c2\u00b007'30''N 90\u00c2\u00b040'30''W", "minimumElevationInMeters": "183", "maximumElevationInMeters": ""}