Using CCOC(=O)CC(C)=O, CS(=O)(=O)c1nnc(-c2ccccc2)c(-c2ccccc2)n1 to produce CCOC(=O)Cc1nnc(-c2ccccc2)c(-c2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.