Using COc1ccc(-c2ccccc2)c2sc(NC(=O)c3ccc(C=O)cc3)nc12 to produce COc1ccc(-c2ccccc2)c2sc(NC(=O)c3ccc(CO)cc3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.