Using COC(=O)C1(C)CCc2c(c(-c3ccncc3)nn2C(C)(C)C)C1 to produce CC1(C(=O)O)CCc2c(c(-c3ccncc3)nn2C(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.