Using O=c1ccc(Cc2c[nH]c(=S)[nH]c2=O)c[nH]1, CI to produce CSc1nc(=O)c(Cc2ccc(=O)[nH]c2)c[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.