Using CN(C(=O)c1ccccc1)c1ccc2c(c1)CCN2C(=O)OC(C)(C)C to produce CN(C(=O)c1ccccc1)c1ccc2c(ccn2C(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.