Using O=C1NC(=O)C2(CCN(Cc3ccccc3)CC2)N1c1ccc(F)cc1 to produce O=C1NC(=O)C2(CCNCC2)N1c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.