Using CN1C(=O)c2ccccc2C(C(=O)O)C1c1ccc(C(C)(C)C)cc1 to produce CN1C(=O)c2ccccc2CC1c1ccc(C(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.