Using Cn1c(/C=C/CO)c(-c2ccccc2)c2ccccc2c1=O to produce Cn1c(/C=C/C=O)c(-c2ccccc2)c2ccccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.