Using CC(C)(C)OC(=O)N1CC=C(c2ccc3c(c2)-n2nc(-c4ncnn4CC(F)(F)F)cc2CCO3)CC1 to produce FC(F)(F)Cn1ncnc1-c1cc2n(n1)-c1cc(C3CCNCC3)ccc1OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.