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": ""}
      b] 4994   y luz m. villarreal de puga   c, (LINK) R.D.WEBSTER MEXICO g0O-4   r CONTACT UM HERBARIUM    PALES 1973-07-29 %OE 1       P. DÃ¡VILA Ee: =   1131748z J +T   poaceae +   J uroch>loa  PLANTAGINEA Zf? 
{"catalogNumber": "1131748", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Link) R.D.Webster", "genus": "Urochloa", "subgenus": "", "specificEpithet": "plantaginea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. D\u00c3\u00a1vila", "recordedBy": "Luz M. Villarreal de Puga", "recordNumber": "4994", "verbatimEventDate": "1973-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}