Using COC(=O)CCNC(c1ccc2cc(OC3CCC(C(C)(C)C)CC3)ccc2c1)C(F)(F)F to produce CC(C)(C)C1CCC(Oc2ccc3cc(C(NCCC(=O)O)C(F)(F)F)ccc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.