Using COC(=O)c1cn(C2CC2)c2c(OC)c(F)c(F)c(N(C)C(=O)C(F)(F)F)c2c1=O to produce CNc1c(F)c(F)c(OC)c2c1c(=O)c(C(=O)O)cn2C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.