Using CSCC[C@H]1C(=O)N(Cc2ccc3c(N)ncnc3c2)CCN1C(=O)OCc1ccccc1 to produce CSCC[C@@H]1NCCN(Cc2ccc3c(N)ncnc3c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.