Using CC(C)(C)OC(=O)N1CCC(Nc2ncc3c(n2)C(C)(C)OC3(C)C)CC1 to produce CC1(C)OC(C)(C)c2nc(NC3CCNCC3)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.