Using CN1CCC(OC2c3ccccc3CCn3c2nc(I)c3I)CC1, OB(O)c1ccccc1 to produce CN1CCC(OC2c3ccccc3CCn3c2nc(-c2ccccc2)c3-c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.