Using COc1ccc(C(=O)NNC(=O)c2ccc3nc(-c4c(C)cccc4C)[nH]c3c2)cc1 to produce COc1ccc(-c2nnc(-c3ccc4nc(-c5c(C)cccc5C)[nH]c4c3)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.