Using CCO, CC(C)(c1ccccc1)n1nnc(-c2cc(C=O)ccc2-c2ccccc2)n1 to produce CC(C)(c1ccccc1)n1nnc(-c2ccccc2-c2ccc(CO)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.