Update README.md

README.md

@@ -22,7 +22,7 @@ Molecule generation example:
 >>> from transformers import AutoTokenizer, BartForConditionalGeneration
 
 >>> tokenizer = AutoTokenizer.from_pretrained("zjunlp/MolGen")
->>> model = BartForConditionalGeneration.from_pretrained("zjunlp/MolGen", use_auth_token=True)
+>>> model = BartForConditionalGeneration.from_pretrained("zjunlp/MolGen")
 
 >>> sf_input = tokenizer("[C][=C][C][=C][C][=C][Ring1][=Branch1]", return_tensors="pt")
 >>> # beam search