Using COc1cc(Nc2nc3c(s2)CN(C(=O)OC(C)(C)C)CC3)ccc1-n1cnc(C)c1 to produce COc1cc(Nc2nc3c(s2)CNCC3)ccc1-n1cnc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.