Using Cc1noc(NS(=O)(=O)c2ccccc2-c2ccc(-c3ncco3)cc2C=O)c1C, CNCC(C)C to produce Cc1noc(NS(=O)(=O)c2ccccc2-c2ccc(-c3ncco3)cc2CN(C)CC(C)C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.