Using CCOC(=O)N1CCN(CC(Cl)c2ccc(F)cc2)CC1, N to produce CCOC(=O)N1CCN(CC(c2ccc(F)cc2)N2CCN(C)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.