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": ""}
l. ?4  GUATEMALA `B0_   G 4+ contact um herbarium  w  iE nigrum  O~05j 27097  solanum 1G     S]u 1297504  )R1 Solanales   S^_vA Solanum nigrum  antonio molina r. =)  1971-11*-14 ^Uy1    solnaceae <         3 sacatepequez  
{"catalogNumber": "1297504", "order": "Solanales", "family": "Solanaceae", "scientificName": "Solanum nigrum", "scientificNameAuthorship": "L.", "genus": "Solanum", "subgenus": "", "specificEpithet": "nigrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Antonio Molina R.", "recordNumber": "27097", "verbatimEventDate": "1971-11-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "Sacatepequez", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}