Using O=N[O-], COc1cc(CS(=O)(=O)c2cccc3ccccc23)c(N)c(OCCCl)c1 to produce COc1cc(OCCCl)c2[nH]nc(S(=O)(=O)c3cccc4ccccc34)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.