Using CCCCC1(CC)CN1, COc1ccc(C(=O)c2ccccc2)c(S)c1 to produce CCCCC1(CC)C=C(c2ccccc2)c2ccc(OC)cc2SN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.