Using C[C@@H]1CCCC[C@@H]1n1c(=O)[nH]c2cnc3[nH]ccc3c21, C=[N+](C)C to produce C[C@@H]1CCCC[C@@H]1n1c(=O)[nH]c2cnc3[nH]cc(CN(C)C)c3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.