Using C=C(OCC)c1cc2c(cc1OC)OCCn1cc(-c3nc(C)nn3C(C)C)nc1-2 to produce COc1cc2c(cc1C(C)=O)-c1nc(-c3nc(C)nn3C(C)C)cn1CCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.