Using CC(C)(C)N, CC(C)(C)OC(=O)N[C@@H](CC(=O)N1CCc2cc(C(=O)O)c(C(F)(F)F)nc2C1)Cc1cc(F)ccc1F to produce CC(C)(C)NC(=O)c1cc2c(nc1C(F)(F)F)CN(C(=O)C[C@@H](Cc1cc(F)ccc1F)NC(=O)OC(C)(C)C)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.