Using CCCCCCCCCCCNC(=N)NC(=N)NCc1ccc(OC)cc1, CC=O to produce CCCCCCCCCCCNC1N=C(C)N=C(NCc2ccc(OC)cc2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.