Using CC(C)(C)OC(=O)N1CC[C@@H](N(Cc2ccccc2)C(=O)CCl)[C@H](O)C1, [I-] to produce CC(C)(C)OC(=O)N1CC[C@@H](N(Cc2ccccc2)C(=O)CI)[C@H](O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.