Using CC(=O)OC(C)=O, C=C(C(=O)OC)C(O)c1cnc(C)nc1 to produce C=C(C(=O)OC)C(OC(C)=O)c1cnc(C)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.