Using CN(C)CCCl, CCCN(CCC)CC(=O)N1c2ccccc2-n2c(n[nH]c2=O)-c2cccnc21 to produce CCCN(CCC)CC(=O)N1c2ccccc2-n2c(nn(CCN(C)C)c2=O)-c2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.