Using COc1cc(Cl)c(Br)c(Cl)c1, FC(F)(F)c1ccc(N2CCNCC2)nc1 to produce COc1cc(Cl)c(N2CCN(c3ccc(C(F)(F)F)cn3)CC2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.