Using Cc1ccc(Cn2c(O)nc3c(N)nc(NCCO)nc32)cn1, CC(=O)OC(C)=O to produce CC(=O)OCCNc1nc(N)c2nc(O)n(Cc3ccc(C)nc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.