Using CCc1c(-c2ccc(OC)cc2NC(=O)C(C)(C)C)c(C#N)nn1CC to produce CCc1c2c(nn1CC)c(N)nc1cc(OC)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.