Using CC(C)N1CCN(C(=O)c2ccc3[nH]c(C(=O)O)cc3c2)CC1, FC1CCCNC1 to produce CC(C)N1CCN(C(=O)c2ccc3[nH]c(C(=O)N4CCCC(F)C4)cc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.