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": ""}
     7, W@ Contact UM Herbarium   &  (sw.) dc.   I DESMODIUM        PV* desmodium tortuosum   JE X3 tortuosum 1973-11-29 =pI      wn l. william5 & a. molina r. 42556 L`   E+D 1166279     
{"catalogNumber": "1166279", "order": "", "family": "", "scientificName": "Desmodium tortuosum", "scientificNameAuthorship": "(Sw.) DC.", "genus": "Desmodium", "subgenus": "", "specificEpithet": "tortuosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. Williams & A. Molina R.", "recordNumber": "42556", "verbatimEventDate": "1973-11-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}