Using O=c1nc2n(c(=O)[nH]1)CCC2, O=C(c1ccc(F)cc1)C1CCN(CCO)CC1 to produce O=C(c1ccc(F)cc1)C1CCN(CCn2c(=O)nc3n(c2=O)CCC3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.