Using CC(=O)Nc1cc2cccc(OS(=O)(=O)c3ccccc3)c2oc1=O to produce Nc1cc2cccc(OS(=O)(=O)c3ccccc3)c2oc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.