Using COC(=O)c1ccc(N2CC3(CCNCC3)OC2=O)cc1, O=Cc1ccc(OC(F)(F)F)c(Br)c1 to produce COC(=O)c1ccc(N2CC3(CCN(Cc4ccc(OC(F)(F)F)c(Br)c4)CC3)OC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.