Using Cc1cc(C(=O)Nc2cc(Oc3ccc4nc(N)cn4n3)ccc2C)n(C)n1, CC(C)(O)CC(=O)O to produce Cc1cc(C(=O)Nc2cc(Oc3ccc4nc(NC(=O)CC(C)(C)O)cn4n3)ccc2C)n(C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.