Using Cc1cc(Nc2cc(N)ncn2)c(=O)n2c1C(=O)N(Cc1ccccc1)CCC2 to produce Cc1cc(Nc2cc(N)ncn2)c(=O)n2c1C(=O)NCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.