Using O=S(Cl)Cl, O=Cc1ccc(-c2ccc3nc[nH]c(=O)c3c2)o1 to produce O=Cc1ccc(-c2ccc3ncnc(Cl)c3c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.