Using COc1ccc(Cn2cnc3nc(NCCO)n(Cc4nc(C)c5ccccc5n4)c(=O)c32)cc1 to produce COc1ccc(Cn2cnc3c2C(=O)N(Cc2nc(C)c4ccccc4n2)C2=NCCN23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.