Using O=C(Nc1cc(-c2cn(S(=O)(=O)c3ccccc3)c3nccnc23)cc(Cl)n1)c1ccccc1 to produce O=C(Nc1cc(-c2c[nH]c3nccnc23)cc(Cl)n1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.