Using O=S(Cl)Cl, Cc1nc2ccc(CO)cc2n1Cc1ccc(-c2ccccc2)cc1 to produce Cc1cc(Cl)cc2c1nc(C)n2Cc1ccc(-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.