Using CCn1ncc2c(NC3CCN(C(=O)OC(C)(C)C)CC3)c(C3=NOC4(CCCC4)C3)cnc21 to produce CCn1ncc2c(NC3CCNCC3)c(C3=NOC4(CCCC4)C3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.