Using COc1cc(C2NC(C(=O)N3CCN(CCCc4ccccc4)CC3)CS2)cnc1OC to produce COC1C=C(C2NC(C(=O)N3CCN(CCCc4ccccc4)CC3)CS2)C=NC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.