Using COC(=O)C(=O)N(C)C, Cc1ccc(C2=NC(=O)C(C)(C(C)C)N2)nc1 to produce Cc1cnc(C2=NC(C)(C(C)C)C(=O)N2)c(C(=O)C(=O)N(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.