Using Cc1ccc2oc(N3CCN(C(=O)OC(C)(C)C)CC3COc3cccnc3)nc2c1 to produce Cc1ccc2oc(N3CCNCC3COc3cccnc3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.