Using CC(C)Cn1c(=O)n(C)c(=O)c2c(C(=O)O)c(Cc3ccccc3)sc21, CN(C)C=O to produce CC(C)Cn1c(=O)n(C)c(=O)c2c(C(=O)N(C)C)c(Cc3ccccc3)sc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.