Using Fc1c(I)nc2ccccc2c1N1CCc2cnccc21, OB(O)c1ccc(Cl)s1 to produce Fc1c(-c2ccc(Cl)s2)nc2ccccc2c1N1CCc2cnccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.