Using CI, CSc1cccc2c3c([nH]c12)CCN(C(=O)OC(C)(C)C)C3 to produce CSc1cccc2c3c(n(C)c12)CCN(C(=O)OC(C)(C)C)C3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.