Using Cc1c(CBr)cccc1C(F)(F)F, COC(=O)c1cc(N2CCOCC2)nc2[nH]c(C)nc12 to produce COC(=O)c1cc(N2CCOCC2)nc2c1nc(C)n2Cc1cccc(C(F)(F)F)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.