Using CCCCc1cc(C(=O)OCC)c[nH]1, O=S(=O)(Cl)c1ccccc1 to produce CCCCc1cc(C(=O)OCC)cn1S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.