Using CCOC(=O)C(=C(C)N)C(c1cccc(C(F)(F)F)c1)C(C(=O)CCl)C(=O)OC, O=C([O-])O to produce CCOC(=O)C1=C(CCl)NC(C)=C(C(=O)OC)C1c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.