Using COc1ccc(S(=O)(=O)NCC(=O)O)c2cc(C(C)=O)oc12 to produce CC(=O)c1cc2c(S(=O)(=O)NCC(=O)O)ccc(O)c2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.