Using CCCCS(=O)(=O)N(c1ccc2c(c1)OC(c1ccccc1)(c1ccccc1)O2)S(=O)(=O)CCCC to produce CCCCS(=O)(=O)Nc1ccc2c(c1)OC(c1ccccc1)(c1ccccc1)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.