Using CC(C)(C)OC(=O)NCC(=O)O, CCc1ccc(NC(=O)OC[C@@H]2C[C@@H](N)CN2C(=O)NCc2ccccc2Cl)cc1 to produce CCc1ccc(NC(=O)OC[C@@H]2C[C@@H](NC(=O)CN)CN2C(=O)NCc2ccccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.