Using COc1ccc(CCl)cc1, Nc1nc(S)nc2c1nc(O)n2Cc1ccccc1 to produce COc1ccc(CSc2nc(N)c3nc(O)n(Cc4ccccc4)c3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.