Using CC(C)(C)OC(=O)NCC1CN(c2ncnc3[nH]c4cc(C(N)=O)ccc4c23)CCO1 to produce NCC1CN(c2ncnc3[nH]c4cc(C(N)=O)ccc4c23)CCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.