Using O=C1CCN(c2ccc(F)c3cccnc23)CC1, Fc1ccc2occ(N3CCNCC3)c2c1 to produce Fc1ccc2occ(N3CCN(C4CCN(c5ccc(F)c6cccnc56)CC4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.