Using CC(=O)c1c(-c2ccc(NC(=O)OC(C)(C)C)c(F)c2)c2c(N)ncnn2c1CN1CCOCC1 to produce CC(=O)c1c(-c2ccc(N)c(F)c2)c2c(N)ncnn2c1CN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.