Using CC(C)(C)OC(=O)N1CCC(CCO)CC1, CC(C)(C)C(=O)Cl to produce CC(C)(C)OC(=O)N1CCC(CCOC(=O)C(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.