Using COC(=O)C(Cc1ccc(OCc2ccccc2)cc1)SC1=NS(=O)(=O)c2ccccc21 to produce O=C(O)C(Cc1ccc(OCc2ccccc2)cc1)SC1=NS(=O)(=O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.