Using C[C@@H](O)c1nc2cnc3ccsc3c2n1C1CCC(NC(=O)OC(C)(C)C)CC1 to produce C[C@@H](O)c1nc2cnc3ccsc3c2n1C1CCC(N)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.