Using CC(C)(C)OC(=O)N1C(C)(C=O)COC1(C)C, Nc1ccccc1 to produce CC(C)(C)OC(=O)N1C(C)(CNc2ccccc2)COC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.