Using Cc1cn2ccc3c(c2n1)N[C@H](c1ccccc1)[C@@H](O)C3=O, CC(C)(C)C(=O)Cl to produce Cc1cn2ccc3c(c2n1)N[C@H](c1ccccc1)[C@@H](OC(=O)C(C)(C)C)C3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.