Using Cc1ccc2ncc3nc(CCCN)n(C)c3c2c1, CC(=O)OC(C)=O to produce CC(=O)NCCCc1nc2cnc3ccc(C)cc3c2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.