Using CC(C)(C)OC(=O)N1CCN(C(=O)C2CCN(c3ccncc3F)CC2)CC1 to produce O=C(C1CCN(c2ccncc2F)CC1)N1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.