Using CCCCCCCCCCNC(=O)OC[C@H](CSC[C@H](NC(=O)OCc1ccccc1)C(=O)NCCOCCOCCOCCC(=O)OC(C)(C)C)OC(=O)NCCCCCCCCCC to produce CCCCCCCCCCNC(=O)OC[C@H](CSC[C@H](N)C(=O)NCCOCCOCCOCCC(=O)OC(C)(C)C)OC(=O)NCCCCCCCCCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.