Using COC(=O)CC(=O)OC, Cc1n[nH]c(N)c1Cc1cccc(C(F)(F)F)c1C to produce Cc1nn2c(c1Cc1cccc(C(F)(F)F)c1C)NC(=O)CC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.