Using CCOC(=O)C[C@@H]1CCc2cc(OCCCNc3nc(-c4ccc(CC)cc4)ccc3C(F)(F)F)ccc21, CI to produce CCOC(=O)C[C@@H]1CCc2cc(OCCCN(C)c3nc(-c4ccc(CC)cc4)ccc3C(F)(F)F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.