Using Cc1cnc(Cl)c(C)n1, OB(O)c1ccc2ccc(-c3ccccc3)cc2c1 to produce Cc1cnc(-c2ccc3ccc(-c4ccccc4)cc3c2)c(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.