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": ""}
    sVR 4872   IiU. leptochloa nealleyi   2U? 1123670 MEXICO mq a  POACEAE gd/?    POALES <np$B   CONTACT UM HERBARIUM 8?     m* 1959-12-07   JNv leptochloa NEALLEYI C 96   #sro/ n. snow    vasey b    1 m. jbohnston 
{"catalogNumber": "1123670", "order": "Poales", "family": "Poaceae", "scientificName": "Leptochloa nealleyi", "scientificNameAuthorship": "Vasey", "genus": "Leptochloa", "subgenus": "", "specificEpithet": "nealleyi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "N. Snow", "recordedBy": "M. Johnston", "recordNumber": "4872", "verbatimEventDate": "1959-12-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}