Using O=S(=O)(CC1(N2CCN(C(c3ccccc3)c3ccccc3)CC2)COC1)c1ccccc1 to produce CC1(N2CCN(C(c3ccccc3)c3ccccc3)CC2)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.