Using CCOC(=O)CBr, OC1(c2ccc(-c3ccc(Nc4ccc(C(F)(F)F)nc4)nc3)cc2)CCNCC1 to produce CCOC(=O)CN1CCC(O)(c2ccc(-c3ccc(Nc4ccc(C(F)(F)F)nc4)nc3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.