Using COC(=O)C[C@@H](NC(=O)OC(C)(C)C)C(=O)O, CCOC(=O)CNCc1ccccc1 to produce CCOC(=O)CN(Cc1ccccc1)C(=O)[C@@H](CC(=O)OC)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.