Using CCCCC(C)(C)C(=O)O, CC(C)[C@@H](COCc1ccccc1)C[C@H](NC(=O)OC(C)(C)C)[C@@H](O)CN to produce CCCCC(C)(C)C(=O)NC[C@H](O)[C@H](C[C@H](COCc1ccccc1)C(C)C)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.