Using CC(C)CNC(=O)[C@@H](NC(=O)[C@H](C)NC[C@@H](N)Cc1cc(F)cc(F)c1)C(C)C, CCCN(CCC)C(=O)c1cc(C)cc(C(=O)O)c1 to produce CCCN(CCC)C(=O)c1cc(C)cc(C(=O)N[C@H](CN[C@@H](C)C(=O)N[C@H](C(=O)NCC(C)C)C(C)C)Cc2cc(F)cc(F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.