Using Cc1cc(Nc2cc3ccccc3c(Cl)n2)n[nH]1, OB(O)c1ccccc1 to produce Cc1cc(Nc2cc3ccccc3c(-c3ccccc3)n2)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.