Using Cc1nc(Cn2c(N3CCCN(C(=O)OC(C)(C)C)CC3)nc3ccccc32)cs1 to produce Cc1nc(Cn2c(N3CCCNCC3)nc3ccccc32)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.