Using C=CCc1c(O)c(C(=O)OC)cc(Cl)c1NC(C)=O, COS(=O)(=O)OC to produce C=CCc1c(NC(C)=O)c(Cl)cc(C(=O)OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.