Using NCC(=O)N1Cc2ccccc2Oc2ccc(Cl)cc21, COC(=O)CCSCc1ccco1 to produce O=C(CCSCc1ccco1)NCC(=O)N1Cc2ccccc2Oc2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.