Using CCOC(=O)c1cc(-c2ccc(C(C)(c3ccc(-c4cncc(OC)c4)cc3)C(C)C)nc2)on1 to produce COc1cncc(-c2ccc(C(C)(c3ccc(-c4cc(C(C)(C)O)no4)cn3)C(C)C)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.