Using O=S(=O)(c1ccccc1)n1cc(C(O)C2CC2)c2cccnc21 to produce O=S(=O)(c1ccccc1)n1cc(CC2CC2)c2cccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.