Using CI, CCCCN1C(=O)c2c(c(C)nn2C)Nc2ncccc21 to produce CCCCN1C(=O)c2c(c(C)nn2C)N(C)c2ncccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.