Using CC(=O)Nc1cccn2c(C)c(CCc3ccc4nc(N)oc4c3)nc12 to produce Cc1c(CCc2ccc3nc(N)oc3c2)nc2c(N)cccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.