Using C[C@@H](Oc1c(N)ncc2c(C3=CCN(C(=O)OC(C)(C)C)CC3)coc12)c1c(Cl)ccc(F)c1Cl to produce C[C@@H](Oc1c(N)ncc2c(C3=CCNCC3)coc12)c1c(Cl)ccc(F)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.