Using Nc1ccccc1S, O=C(O)c1ccc2c(c1)nc(COCc1ccccc1)n2-c1ccccc1 to produce c1ccc(COCc2nc3cc(-c4nc5ccccc5s4)ccc3n2-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.