Using COc1c(C)cc(Cc2c(C)nn(CC#N)c2C)c2c1CCC2, NO to produce COc1c(C)cc(Cc2c(C)nn(CC(=N)NO)c2C)c2c1CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.