Using [I-], O=c1oc2c(c(O)c1C(c1cccc(NS(=O)(=O)CCCCl)c1)C1CC1)CCCCCC2 to produce O=c1oc2c(c(O)c1C(c1cccc(NS(=O)(=O)CCCI)c1)C1CC1)CCCCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.