Using COc1nc(N2CCOCC2)nc(N[C@@H]2CCCN(C(=O)OC(C)(C)C)C2)c1-c1ncc(F)cn1 to produce O=c1[nH]c(N2CCOCC2)nc(N[C@@H]2CCCNC2)c1-c1ncc(F)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.