Using O=C1C(NS(=O)(=O)c2ccccc2)Cc2nc(-c3ccccc3)ccc2N1Cc1ccccc1 to produce O=S(=O)(NC1Cc2nc(-c3ccccc3)ccc2N(Cc2ccccc2)C1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.