Using COP1(=O)CCC(N(c2cc(C#CC(C)(C)C)sc2C(=O)O)C(=O)[C@H]2CC[C@H](C)CC2)CC1 to produce CC(C)(C)C#Cc1cc(N(C(=O)[C@H]2CC[C@H](C)CC2)C2CCP(=O)(O)CC2)c(C(=O)O)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.