Using CCOC(=O)c1ccc(N)cc1, c1ccc2c(c1)Nc1ccccc1S2 to produce CCOC(=O)c1ccc(N=c2ccc3nc4ccccc4sc-3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.