Using Cc1cc(O)c(S)c(=O)o1, ClCc1ccc(CCl)cc1 to produce Cc1cc(O)c(SCc2ccc(CSc3c(O)cc(C)oc3=O)cc2)c(=O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.