Using COc1ccc(S(=O)(=O)c2oc3ccc(Cl)cc3c2C)nn1 to produce Cc1c(S(=O)(=O)c2ccc(=O)[nH]n2)oc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.