Using Cc1nc2c(OCC3CCCCC3)cccn2c1C(=O)NC1CCN(C(=O)OC(C)(C)C)CC1 to produce Cc1nc2c(OCC3CCCCC3)cccn2c1C(=O)NC1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.