Using O=S(Cl)Cl, O=C([O-])c1ccc2oc3ncccc3c(=O)c2c1 to produce O=C(Cl)c1ccc2oc3ncccc3c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.