Using Nc1ccc(-n2ncc3c(N)ncnc32)cc1, CCC(C)CC(=O)O to produce CCC(C)CC(=O)Nc1ccc(-n2ncc3c(N)ncnc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.