Using COC(=O)c1cn(C2CC2)c2c(F)c(F)c(F)cc2c1=O, CCCCOC(=O)NC1CCNC1 to produce CCCCOC(=O)NC1CCN(c2c(F)cc3c(=O)c(C(=O)O)cn(C4CC4)c3c2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.