Using O=S(=O)(c1ccccc1)n1c(C(O)CC2CCC3(C2)OCCO3)cc2cccnc21 to produce O=C(CC1CCC2(C1)OCCO2)c1cc2cccnc2n1S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.