Using Brc1ccc(OC2CCCCO2)cn1, FC(F)(F)Oc1ccc(OCCC2CCNCC2)cc1 to produce FC(F)(F)Oc1ccc(OCCC2CCN(c3ccc(OC4CCCCO4)cn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.