Using CC(C=O)c1ccc2c(=O)c3ccccc3ccc2c1, CC(C)=O to produce CC(C(=O)O)c1ccc2c(=O)c3ccccc3ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.