Using COc1ccc(Cn2cc(-c3csc(O)n3)c(C)n2)cc1, Clc1ncccn1 to produce COc1ccc(Cn2cc(-c3csc(Oc4ncccn4)n3)c(C)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.