Using CC(C)(C)OC(=O)N1CC(Nc2ccc3c(n2)-c2sc(-c4ncnn4-c4ccc(F)cc4F)cc2CCO3)C1 to produce Fc1ccc(-n2ncnc2-c2cc3c(s2)-c2nc(NC4CNC4)ccc2OCC3)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.