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": ""}
 :]<@ Comtact UM Herbarium  4L3Y F. VENTURA A.  P L.  FABACEAE +    Medicago polymorpha [u)j^   =  4Z f. ventura a.     sV~J 6071  r < 1972-09-15 POLYMORPHA ^2jA    fabales B^$MF   a C) MEXICO   h Medicago      1171984 ifm 
{"catalogNumber": "1171984", "order": "Fabales", "family": "Fabaceae", "scientificName": "Medicago polymorpha", "scientificNameAuthorship": "L.", "genus": "Medicago", "subgenus": "", "specificEpithet": "polymorpha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F. Ventura A.", "recordedBy": "F. Ventura A.", "recordNumber": "6071", "verbatimEventDate": "1972-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}