Using COC(=O)c1cccnc1CN1C(=O)C(NC(=O)OC(C)(C)C)N=C(c2ccccc2F)c2ccccc21 to produce COC(=O)c1cccnc1CN1C(=O)C(N)N=C(c2ccccc2F)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.