Using CC=O, Cc1c(N2CCNCC2)nc2cc(F)cc(F)c2c1Nc1cncc(N2CCOCC2)c1 to produce CCN1CCN(c2nc3cc(F)cc(F)c3c(Nc3cncc(N4CCOCC4)c3)c2C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.