Using C[O-], Brc1nn2cc(-c3cc4c(OCc5ccccc5)cccc4o3)nc2s1 to produce COc1nn2cc(-c3cc4c(OCc5ccccc5)cccc4o3)nc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.