Using CCOC(=O)c1cn(C(C)(C)C)c2nc(N3CC[C@@H](NC(=O)OC(C)(C)C)C3)c(F)cc2c1=O to produce N[C@@H]1CCN(c2nc3[nH]cc(C(=O)O)c(=O)c3cc2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.