Using CN1C(C(=O)Nc2cccccc2=O)=C(OC(=O)C=Cc2ccccc2)c2ccccc2S1(=O)=O to produce CN1C(C(=O)Nc2cccccc2=O)=C(O)c2ccccc2S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.