Using O=C([O-])CN1C(=O)C(=Cc2csc(NC(c3ccccc3)(c3ccccc3)c3ccccc3)n2)SC1=S to produce Nc1nc(C=C2SC(=S)N(CC(=O)O)C2=O)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.