Using COC(=O)c1ccc(Cl)cc1NC(=O)CS(=O)Cc1ccccc1 to produce O=c1[nH]c2cc(Cl)ccc2c(O)c1S(=O)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.