Using NO, CSC(=N)N1CCc2ccc(OCC3CCN(c4ccncc4)CC3)cc2C1 to produce NC(=NO)N1CCc2ccc(OCC3CCN(c4ccncc4)CC3)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.