Using OC1(c2cccc(S)c2)CCOCC1, Ic1ccc2c(ccc3nnc(-c4ccccn4)n32)c1 to produce OC1(c2cccc(Sc3ccc4c(ccc5nnc(-c6ccccn6)n54)c3)c2)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.