Using OB(O)c1ccc2[nH]ccc2c1, Clc1ccc2ncc(I)n2n1 to produce Clc1ccc2ncc(-c3ccc4[nH]ccc4c3)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.