Using CCI, COC(=O)c1sc(-c2ccccc2)c2[nH]c(S)nc12 to produce CCSc1nc2c(C(=O)OC)sc(-c3ccccc3)c2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.