Using CSCC[C@H](NC(=O)OC(C)(C)C)C(=O)O, CCOC(=O)CNCc1ccccc1 to produce CSCC[C@@H]1NC(=O)CN(Cc2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.