Using Cc1cn(C(=O)OC(C)(C)C)c(C(=O)C#Cc2c(F)ccc3c2cc(OC(=O)OC(C)(C)C)n3C(=O)OC(C)(C)C)c1C, [I-] to produce Cc1c[nH]c(C(=O)C=C(I)c2c(F)ccc3c2CC(=O)N3)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.