Using O=C(O)CN1C(=O)CSC1=S, O=C/C=C/c1csc(Nc2ccccc2)n1 to produce O=C(O)CN1C(=O)C(=C/C=C/c2csc(Nc3ccccc3)n2)SC1=S, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.