Using CC1(C)OCC(CNc2ccc3c(n2)-c2sc(-c4ncnn4-c4ccc(F)cc4F)cc2CCO3)O1 to produce OCC(O)CNc1ccc2c(n1)-c1sc(-c3ncnn3-c3ccc(F)cc3F)cc1CCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.