Using O=C(OCc1ccccc1)N1CCc2c(n(S(=O)(=O)c3ccccc3)c3ccccc23)C1 to produce O=S(=O)(c1ccccc1)n1c2c(c3ccccc31)CCNC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.