Using Cc1ccc(CCN(N)c2ccc(Cl)cc2)cn1, O=C1CCN(c2cccc(C(F)(F)F)c2)CC1 to produce Cc1ccc(CCn2c3c(c4cc(Cl)ccc42)CN(c2cccc(C(F)(F)F)c2)CC3)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.