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": ""}
478 u?rc  POACEAE b     avenaceum 5nZt  infrequent on exposed, dry rocky bluffs. +   8FqG& Guanajuato MEXICO    ernest r. sohns +    1121926 +~A  1952-10-29 M4Bc   4uC -101.816  Z  La Lagna Prieta; 5 km NE of RincÃ³n   R_ Poales    ck+ ERIONEURON AVENACEUM VAR. AVENACEUM   xv  J. ValdÃ©s Reyna    > erioneuron var. U1^F6   N avenaceum
{"catalogNumber": "1121926", "order": "Poales", "family": "Poaceae", "scientificName": "Erioneuron avenaceum var. avenaceum", "scientificNameAuthorship": "", "genus": "Erioneuron", "subgenus": "", "specificEpithet": "avenaceum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "avenaceum", "identifiedBy": "J. Vald\u00c3\u00a9s Reyna", "recordedBy": "Ernest R. Sohns", "recordNumber": "478", "verbatimEventDate": "1952-10-29", "habitat": "Infrequent on exposed, dry rocky bluffs.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guanajuato", "county": "", "municipality": "", "locality": "La Laguna Prieta; 5 km NE of Rinc\u00c3\u00b3n", "decimalLatitude": "", "decimalLongitude": "-101.816", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}