Using C#CCNC(=O)OC(C)(C)C, O=C(c1cc(Cl)ccc1I)c1c(F)cccc1F to produce CC(C)(C)OC(=O)NCC#Cc1ccc(Cl)cc1C(=O)c1c(F)cccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.