Using O=C(NCC(COCc1cc(C(F)(F)F)cc(C(F)(F)F)c1)c1ccccc1)C1CCNCC1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CN1CCC(C(=O)NCC(COCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.