Using COC(=O)C(C)(C)CCCCOc1cc(-c2ccccc2)cc(-c2ccccc2)n1 to produce CC(C)(CCCCOc1cc(-c2ccccc2)cc(-c2ccccc2)n1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.