Using Cc1ccc2[nH]c3c(cc(-c4cccc(C=O)c4)c(=O)n3C)c2c1 to produce Cc1ccc2[nH]c3c(cc(-c4cccc(CO)c4)c(=O)n3C)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.