Using NO, CCn1c(CC[C@@H]2CCCN2C(=O)Cc2ccccc2)cc2ccc(C#N)cc21 to produce CCn1c(CC[C@@H]2CCCN2C(=O)Cc2ccccc2)cc2ccc(CN=NO)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.