Using COc1ccc(-c2ccc3ncc4[nH]c(=O)n(-c5cn(C)nc5C)c4c3n2)cc1OC, CI to produce COc1ccc(-c2ccc3ncc4c(c3n2)n(-c2cn(C)nc2C)c(=O)n4C)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.