Using CCCCCCCCCNC(=N)NC(=N)Nc1ccccc1, CC(C)=O to produce CCCCCCCCCNC1=NC(C)(C)N(c2ccccc2)C(N)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.