Using COC(=O)C(Cc1ccc(F)cc1)C(=O)N1CCC(Cn2cncn2)(C2CCCCC2)CC1 to produce O=C(O)C(Cc1ccc(F)cc1)C(=O)N1CCC(Cn2cncn2)(C2CCCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.