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": ""}
 tr  s.n.  b@W 1891-05        N VW DELICATULA  q%D<  poaceae Porto $+     1702879 yVP]u     E( DR. O. BUCHTIEN       f PORTUGAL  Agrostis delicatula Uzcri   cGb contact um herbarium 
{"catalogNumber": "1702879", "order": "", "family": "Poaceae", "scientificName": "Agrostis delicatula", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "delicatula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dr. O. Buchtien", "recordNumber": "s.n.", "verbatimEventDate": "1891-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Portugal", "stateProvince": "", "county": "Porto", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}