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": ""}
1949-03-06 $v     ; R6W Sw.     ) PANICUM poales U wo      POACEAE m^;>c     .U laxum  6L contact um herbarium  O. Williams & E. Merrill i     |5721 G.    panicum laxum :   dr 1126451 HONDURAS 3:  
{"catalogNumber": "1126451", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum laxum", "scientificNameAuthorship": "Sw.", "genus": "Panicum", "subgenus": "", "specificEpithet": "laxum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "O. Williams & E. Merrill", "recordNumber": "15721", "verbatimEventDate": "1949-03-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Honduras", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}