Using CC(OC1=CC(=O)C(=O)c2ccccc21)C(=O)O, NNc1ccc(S(N)(=O)=O)cn1 to produce CC(Oc1cc(N=Nc2ccc(S(N)(=O)=O)cn2)c(O)c2ccccc12)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.