Using COC(=O)C(O)c1c(C)nc2nc(-c3ccccc3)nn2c1N1CCC(C)(C)CC1, CC(=O)OC(C)(C)C to produce COC(=O)C(OC(C)(C)C)c1c(C)nc2nc(-c3ccccc3)nn2c1N1CCC(C)(C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.