Using CN(C)C=O, NCCCC1=CNC(C(=O)O)(c2n[nH]cc2NC(=O)c2c(F)cccc2F)N1 to produce O=C1NCCCc2[nH]c(-c3n[nH]cc3NC(=O)c3c(F)cccc3F)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.