Using CI, CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1c1ccc(F)cc1 to produce CCOC(=O)C1=C(C)N(C)C(C)=C(C(=O)OCC)C1c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.