Using CC(=O)N1CC(C)(C)c2ccc(Nc3nccc(Nc4ccc5ncccc5c4)n3)cc21 to produce CC1(C)CNc2cc(Nc3nccc(Nc4ccc5ncccc5c4)n3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.