Using CCCCCCCSCc1nc2ccccc2c(OCc2ccccc2)c1C, O=C(OO)c1cccc(Cl)c1 to produce CCCCCCCS(=O)Cc1nc2ccccc2c(OCc2ccccc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.