Using CCOC(=O)c1cc(Cc2ccccc2)sc1N(C(=O)NC(C)=O)C(C)C to produce CC(C)n1c(=O)n(C)c(=O)c2cc(Cc3ccccc3)sc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.