Using CCOC(=O)c1cn(C2CCOCC2)c2cc(F)c(F)c(N)c2c1=O to produce Nc1c(F)c(F)cc2c1c(=O)c(C(=O)O)cn2C1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.