Using CCn1cc(C(=O)O)c(=O)c2cc(C)sc21, CCOS(=O)(=O)OCC to produce CCOC(=O)c1cn(CC)c2sc(C)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.