Using CC(C)(C)OC(=O)N1CCC(N2CCN(C(=O)Nc3ccc(Br)c(OC(F)(F)F)c3)CC2)CC1 to produce O=C(Nc1ccc(Br)c(OC(F)(F)F)c1)N1CCN(C2CCNCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.