Using CC(C)(C)OC(=O)N[C@@H](CC1CCC(N)CC1)C(=O)O, Clc1ncc(-c2ccccc2)c(-c2ccccc2)n1 to produce CC(C)(C)OC(=O)N[C@@H](CC1CCC(Nc2ncc(-c3ccccc3)c(-c3ccccc3)n2)CC1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.