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": ""}
CUSCUTA  EZ   :  1937-07  VAR.  @x=N    CUSCUTA PENTAGONA VAR. PUBESCENS o  7273  Q1v    SOLANALES G@%<t     C. Lundell & A. Lundell e&      convolvulaceae Y4Y      ! mexico    PUBESCENS m_K  contact um herbarium g  
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Cuscuta pentagona var. pubescens", "scientificNameAuthorship": "", "genus": "Cuscuta", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pubescens", "identifiedBy": "", "recordedBy": "C. Lundell & A. Lundell", "recordNumber": "7273", "verbatimEventDate": "1937-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}