Using CC(C)(C)N=C=S, CCOC(=O)[C@H](N)CCCNC(=O)OCc1ccccc1 to produce CCOC(=O)[C@@H](CCCNC(=O)OCc1ccccc1)NC(=S)NC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.