Using COc1ccnc(CCl)c1C, CC1(C)C(=O)C(C)(C)c2cc3[nH]c(S)nc3cc21 to produce COc1ccnc(CSc2nc3cc4c(cc3[nH]2)C(C)(C)C(=O)C4(C)C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.