Using Cc1ccc2c(c1)c1c(n2CC(C)(O)c2cccnc2)CCN(C)C1, CC(C)(C)C(=O)Cl to produce Cc1ccc2c(c1)c1c(n2CC(C)(OC(=O)C(C)(C)C)c2cccnc2)CCN(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.