Using COC(=O)c1cc(F)c(N2CCN(C(C)=O)CC2)nc1Nc1ccc(F)cc1F to produce O=C(O)c1cc(F)c(N2CCNCC2)nc1Nc1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.