Using CN(C)C=O, CC1(C)Cc2cc(C(=O)NC(C)(C)C)sc2C1 to produce CC1(C)Cc2sc(C(=O)NC(C)(C)C)c(C=O)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.