Using OB(O)c1ccccc1-c1ccccc1, Cc1cccc2cc(CO)c(Cl)nc12 to produce Cc1cccc2cc(CO)c(-c3ccccc3-c3ccccc3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.