Using NC1CCN(Cc2ccccc2)CC1, CC(C)(C)OC(=O)OC(=O)[O-] to produce CC(C)(C)OC(=O)NC1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.