Using COC(OC)N(C)C, CCOC(=O)C(C(=O)Nc1ccc(F)cc1)=C(C)C to produce CCOC(=O)c1c(C)ccn(-c2ccc(F)cc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.