Using CCOC(=O)CCN(Cc1ccc2nc(N)n(Cc3nc(C)ccc3O)c2c1)c1cccc(C)c1 to produce Cc1cccc(N(CCC(=O)O)Cc2ccc3nc(N)n(Cc4nc(C)ccc4O)c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.