Using OC1(Cc2ccccc2)CCNCC1, CC(C)(C)OC(=O)OC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1CCC(O)(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.