Using [OH-], CC1(C)COC(c2ccc3nccc(Cc4ccc(-c5ccccc5)cc4)c3c2)=N1 to produce O=C(O)c1ccc2nccc(Cc3ccc(-c4ccccc4)cc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.