Using CC(=O)OC[C@@H]1C=C[C@H](n2cc(C)c(=S)[nH]c2=O)O1 to produce Cc1cn([C@H]2C=C[C@@H](CO)O2)c(=O)[nH]c1=S, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.