Using COC(=O)CN1C(=O)C2(COCCOC2)N(C(=O)OC(C)(C)C)CC1c1cccc(F)c1 to produce CC(C)(C)OC(=O)N1CC(c2cccc(F)c2)N(CC(=O)O)C(=O)C12COCCOC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.