Using O=C1CCC(=O)N1Br, Cc1ccc2c(c1)OC1(CCN(C(=O)OC(C)(C)C)CC1)c1ccc(C#N)n1-2 to produce CC(C)(C)OC(=O)N1CCC2(CC1)Oc1cc(CBr)ccc1-n1c(C#N)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.