Using C=C(OCC)c1ccc2c(c1)OCCn1cc(-c3ncnn3CCO)nc1-2 to produce CC(=O)c1ccc2c(c1)OCCn1cc(-c3ncnn3CCO)nc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.