Using CC(C)(C)C(=O)C(=Cc1ccc2ccccc2c1)n1cncn1 to produce CC(C)(C)C(O)C(=Cc1ccc2ccccc2c1)n1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.