Using Cc1cc(C)c(-c2c(C)nn3c4c(c(C)nc23)CCN4)c(C)c1 to produce Cc1cc(C)c(-c2c(C)nn3c2nc(C)c2cc[nH]c23)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.