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": ""}
SAN MIGUEL; S OF PICHUCALCO; 1 KM N OF TAPILULA, HWY 195 ^        2 748    gI Mexico  :# 1973-07-15           commelina ug!    L.  D4 #  GORDON D. MCPHERSON gi    H[ Commelina erecta   l5 1140827   P) 17.4978
{"catalogNumber": "1140827", "order": "", "family": "", "scientificName": "Commelina erecta", "scientificNameAuthorship": "L.", "genus": "Commelina", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gordon D. McPherson", "recordNumber": "748", "verbatimEventDate": "1973-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "San Miguel; S of Pichucalco; 1 km N of Tapilula, hwy 195", "decimalLatitude": "17.4978", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}