Using CC(C)(C)OC(=O)N[C@H]1CCC[C@@H]1N, CCOC(=O)CCl to produce CCOC(=O)CN[C@H]1CCC[C@@H]1NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.