Using CCOC(=O)c1cnc2ccc(CCC(=O)OC(C)(C)C)cn12 to produce CC(C)(C)OC(=O)CCc1ccc2ncc(C(=O)O)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.