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": ""}
  MYG 1960-09-29    BERTEROANA m*M    p_ - nuevo leon    at the tamaulipas state line on the victoria>-linares highway QX        5826 `>3Mq   9 FREQUENT ANNUALS   P)]j  mexico  BALB. EX SPRENG. <$O    F piedmont scrub on shale hills; in roadside ditch  t Marshall C. Johnston 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Balb. ex Spreng.", "genus": "", "subgenus": "", "specificEpithet": "berteroana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Marshall C. Johnston", "recordNumber": "5826", "verbatimEventDate": "1960-09-29", "habitat": "piedmont scrub on shale hills; in roadside ditch", "occurrenceRemarks": "frequent annuals", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "at the Tamaulipas state line on the Victoria-Linares highway", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}