Using CCOC(=O)c1cn(C2CC2)c2c(OC(C)C)c(F)c(F)c(N)c2c1=O to produce CC(C)Oc1c(F)c(F)c(N)c2c(=O)c(C(=O)O)cn(C3CC3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.