Using COC(=O)c1ccc(-n2ncc(C(=O)NC3C4CC5CC(C4)CC3C5)c2SC2CCCC2)cc1 to produce O=C(O)c1ccc(-n2ncc(C(=O)NC3C4CC5CC(C4)CC3C5)c2SC2CCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.