Using Cc1ccccc1S(=O)(=O)n1ccc2c(C=O)cccc21, C=Cc1cccc2c1ccn2S(=O)(=O)c1cccs1 to produce O=Cc1cccc2c1ccn2S(=O)(=O)c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.