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": ""}
BRACHIATA $  PANICEA  <   rdb subsp.   poales 9rl   #  1932-07-22    Lepochloa xb    Poaceae x4mI     20.4985 ,-a   Y 2659 yucatã¡n NL~C   4 weed in corn field   E> mexico  1 o2x Hol Puuc; Mun4   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Leptochloa", "subgenus": "", "specificEpithet": "panicea", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "brachiata", "identifiedBy": "", "recordedBy": "", "recordNumber": "2659", "verbatimEventDate": "1932-07-22", "habitat": "weed in corn field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Yucat\u00c3\u00a1n", "county": "", "municipality": "", "locality": "Hol Puuc; Muna", "decimalLatitude": "20.4985", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}