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