Using CCCC(NC(=O)OC(C)(C)C)C(=O)Nc1cn(C(C)(C)C(=O)OC)cn1 to produce CCCC(NC(=O)OC(C)(C)C)C(=O)Nc1cn(C(C)(C)CO)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.