Using CN(C)c1ccc2cc3c(c(-c4ccc(CO)cc4)c2c1)C(=O)CC3 to produce CN(C)c1ccc2cc3c(c(-c4ccc(C=O)cc4)c2c1)C(=O)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.