Using COc1ccc(N)cn1, Cc1cc(Nc2ccccc2)c2c(ccc3nc[nH]c32)n1 to produce COc1ccc(Nc2cc(C)nc3ccc4nc[nH]c4c23)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.