Using NS(=O)(=O)c1cccs1, CC(C)(C)OC(=O)COC1=CC(=O)c2ccccc2C1=O to produce CC(C)(C)OC(=O)COC1=CC(=NS(=O)(=O)c2cccs2)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.